28602578456 has 16 divisors (see below), whose sum is σ = 53804529240. Its totient is φ = 14254704000.

The previous prime is 28602578429. The next prime is 28602578491. The reversal of 28602578456 is 65487520682.

It is a junction number, because it is equal to n+sod(n) for n = 28602578398 and 28602578407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5820545 + ... + 5825456.

Almost surely, 2^28602578456 is an apocalyptic number.

It is an amenable number.

28602578456 is a deficient number, since it is larger than the sum of its proper divisors (25201950784).

28602578456 is a wasteful number, since it uses less digits than its factorization.

28602578456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11646314 (or 11646310 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 28602578456 in words is "twenty-eight billion, six hundred two million, five hundred seventy-eight thousand, four hundred fifty-six".