8697688920 has 96 divisors (see below), whose sum is σ = 29930303520. Its totient is φ = 2182947840.

The previous prime is 8697688913. The next prime is 8697688927. The reversal of 8697688920 is 298867968.

It is an interprime number because it is at equal distance from previous prime (8697688913) and next prime (8697688927).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8697688927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 704476 + ... + 716715.

It is an arithmetic number, because the mean of its divisors is an integer number (311773995).

Almost surely, 2^8697688920 is an apocalyptic number.

It is an amenable number.

8697688920 is an abundant number, since it is smaller than the sum of its proper divisors (21232614600).

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

8697688920 is a wasteful number, since it uses less digits than its factorization.

8697688920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421225 (or 1421218 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The square root of 8697688920 is about 93261.4010188567. The cubic root of 8697688920 is about 2056.5279843071.

The spelling of 8697688920 in words is "eight billion, six hundred ninety-seven million, six hundred eighty-eight thousand, nine hundred twenty".