8764857492 has 96 divisors (see below), whose sum is σ = 21251994624. Its totient is φ = 2809593600.

The previous prime is 8764857481. The next prime is 8764857511. The reversal of 8764857492 is 2947584678.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17424913 + ... + 17425415.

It is an arithmetic number, because the mean of its divisors is an integer number (221374944).

Almost surely, 2^8764857492 is an apocalyptic number.

8764857492 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

8764857492 is an abundant number, since it is smaller than the sum of its proper divisors (12487137132).

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

8764857492 is a wasteful number, since it uses less digits than its factorization.

8764857492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989 (or 987 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 60.

The square root of 8764857492 is about 93620.8176208689. The cubic root of 8764857492 is about 2061.8083134996.

The spelling of 8764857492 in words is "eight billion, seven hundred sixty-four million, eight hundred fifty-seven thousand, four hundred ninety-two".