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8797801225 = 52597381707
BaseRepresentation
bin10000011000110001…
…11100101100001001
3211201010121121102211
420030120330230021
5121004214114400
64012555225121
7431006035153
oct101430745411
924633547384
108797801225
113805147304
1218564481a1
13aa2906255
145d661dad3
1536758adba
hex20c63cb09

8797801225 has 24 divisors (see below), whose sum is σ = 11246289120. Its totient is φ = 6824085120.

The previous prime is 8797801217. The next prime is 8797801301. The reversal of 8797801225 is 5221087978.

It is not a de Polignac number, because 8797801225 - 23 = 8797801217 is a prime.

It is a super-2 number, since 2×87978012252 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66822 + ... + 148528.

It is an arithmetic number, because the mean of its divisors is an integer number (468595380).

Almost surely, 28797801225 is an apocalyptic number.

It is an amenable number.

8797801225 is a deficient number, since it is larger than the sum of its proper divisors (2448487895).

8797801225 is a wasteful number, since it uses less digits than its factorization.

8797801225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81849 (or 81844 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 49.

The square root of 8797801225 is about 93796.5949541880. The cubic root of 8797801225 is about 2064.3882657023.

The spelling of 8797801225 in words is "eight billion, seven hundred ninety-seven million, eight hundred one thousand, two hundred twenty-five".

Divisors: 1 5 25 59 73 295 365 1475 1825 4307 21535 81707 107675 408535 2042675 4820713 5964611 24103565 29823055 120517825 149115275 351912049 1759560245 8797801225