8997575680 has 44 divisors (see below), whose sum is σ = 21583649880. Its totient is φ = 3599028224.

The previous prime is 8997575663. The next prime is 8997575683. The reversal of 8997575680 is 865757998.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8997575683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873550 + ... + 883789.

Almost surely, 2^8997575680 is an apocalyptic number.

8997575680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8997575680 is an abundant number, since it is smaller than the sum of its proper divisors (12586074200).

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

8997575680 is a wasteful number, since it uses less digits than its factorization.

8997575680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757364 (or 1757346 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 64.

The square root of 8997575680 is about 94855.5516561893. The cubic root of 8997575680 is about 2079.8970363233.

The spelling of 8997575680 in words is "eight billion, nine hundred ninety-seven million, five hundred seventy-five thousand, six hundred eighty".