28886672264 has 16 divisors (see below), whose sum is σ = 55626362700. Its totient is φ = 14052975552.

The previous prime is 28886672237. The next prime is 28886672267. The reversal of 28886672264 is 46227668882.

It can be written as a sum of positive squares in 2 ways, for example, as 24601922500 + 4284749764 = 156850^2 + 65458^2 .

It is not an unprimeable number, because it can be changed into a prime (28886672267) 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, 48794759 + ... + 48795350.

Almost surely, 2^28886672264 is an apocalyptic number.

It is an amenable number.

28886672264 is a deficient number, since it is larger than the sum of its proper divisors (26739690436).

28886672264 is a wasteful number, since it uses less digits than its factorization.

28886672264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97590152 (or 97590148 counting only the distinct ones).

The product of its digits is 24772608, while the sum is 59.

The spelling of 28886672264 in words is "twenty-eight billion, eight hundred eighty-six million, six hundred seventy-two thousand, two hundred sixty-four".