28556034536 has 8 divisors (see below), whose sum is σ = 53542564770. Its totient is φ = 14278017264.

The previous prime is 28556034523. The next prime is 28556034581. The reversal of 28556034536 is 63543065582.

It can be written as a sum of positive squares in only one way, i.e., 22802812036 + 5753222500 = 151006^2 + 75850^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1784752151 + ... + 1784752166.

Almost surely, 2^28556034536 is an apocalyptic number.

It is an amenable number.

28556034536 is a deficient number, since it is larger than the sum of its proper divisors (24986530234).

28556034536 is a wasteful number, since it uses less digits than its factorization.

28556034536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3569504323 (or 3569504319 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 28556034536 in words is "twenty-eight billion, five hundred fifty-six million, thirty-four thousand, five hundred thirty-six".