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8797798464 = 2637131932609
BaseRepresentation
bin10000011000110001…
…11100000001000000
3211201010121110122120
420030120330001000
5121004214022324
64012555204240
7431006024130
oct101430740100
924633543576
108797798464
113805145224
121856446680
13aa2904c10
145d661cac0
1536758a179
hex20c63c040

8797798464 has 224 divisors, whose sum is σ = 28808720640. Its totient is φ = 2307391488.

The previous prime is 8797798463. The next prime is 8797798489. The reversal of 8797798464 is 4648977978.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (8797798463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3370792 + ... + 3373400.

It is an arithmetic number, because the mean of its divisors is an integer number (128610360).

Almost surely, 28797798464 is an apocalyptic number.

8797798464 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8797798464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14404360320).

8797798464 is an abundant number, since it is smaller than the sum of its proper divisors (20010922176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8797798464 is a wasteful number, since it uses less digits than its factorization.

8797798464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837 (or 2827 counting only the distinct ones).

The product of its digits is 170698752, while the sum is 69.

The square root of 8797798464 is about 93796.5802361685. The cubic root of 8797798464 is about 2064.3880497477.

The spelling of 8797798464 in words is "eight billion, seven hundred ninety-seven million, seven hundred ninety-eight thousand, four hundred sixty-four".