28604615716 has 6 divisors (see below), whose sum is σ = 50058077510. Its totient is φ = 14302307856.

The previous prime is 28604615693. The next prime is 28604615759. The reversal of 28604615716 is 61751640682.

It can be written as a sum of positive squares in only one way, i.e., 17018246116 + 11586369600 = 130454^2 + 107640^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3575576961 + ... + 3575576968.

Almost surely, 2^28604615716 is an apocalyptic number.

It is an amenable number.

28604615716 is a deficient number, since it is larger than the sum of its proper divisors (21453461794).

28604615716 is a wasteful number, since it uses less digits than its factorization.

28604615716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7151153933 (or 7151153931 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 28604615716 in words is "twenty-eight billion, six hundred four million, six hundred fifteen thousand, seven hundred sixteen".