8797745920 has 72 divisors (see below), whose sum is σ = 21101315760. Its totient is φ = 3514429440.

The previous prime is 8797745903. The next prime is 8797745951. The reversal of 8797745920 is 295477978.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056975 + ... + 1065265.

It is an arithmetic number, because the mean of its divisors is an integer number (293073830).

Almost surely, 2^8797745920 is an apocalyptic number.

8797745920 is a gapful number since it is divisible by the number (80) 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 8797745920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10550657880).

8797745920 is an abundant number, since it is smaller than the sum of its proper divisors (12303569840).

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

8797745920 is an equidigital number, since it uses as much as digits as its factorization.

8797745920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9141 (or 9127 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 58.

The square root of 8797745920 is about 93796.3001402507. The cubic root of 8797745920 is about 2064.3839399536.

The spelling of 8797745920 in words is "eight billion, seven hundred ninety-seven million, seven hundred forty-five thousand, nine hundred twenty".