8864928631 has 12 divisors (see below), whose sum is σ = 9604473912. Its totient is φ = 8178602016.

The previous prime is 8864928619. The next prime is 8864928637. The reversal of 8864928631 is 1368294688.

It is not a de Polignac number, because 8864928631 - 2⁷ = 8864928503 is a prime.

It is a super-2 number, since 2×8864928631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8864928637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324360 + ... + 350626.

It is an arithmetic number, because the mean of its divisors is an integer number (800372826).

Almost surely, 2^8864928631 is an apocalyptic number.

8864928631 is a deficient number, since it is larger than the sum of its proper divisors (739545281).

8864928631 is a wasteful number, since it uses less digits than its factorization.

8864928631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28290 (or 28277 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 55.

The square root of 8864928631 is about 94153.7499571844. The cubic root of 8864928631 is about 2069.6254101364.

The spelling of 8864928631 in words is "eight billion, eight hundred sixty-four million, nine hundred twenty-eight thousand, six hundred thirty-one".