28617528874 has 16 divisors (see below), whose sum is σ = 46834460640. Its totient is φ = 13006362960.

The previous prime is 28617528859. The next prime is 28617528923. The reversal of 28617528874 is 47882571682.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112432 + ... + 264340.

It is an arithmetic number, because the mean of its divisors is an integer number (2927153790).

Almost surely, 2^28617528874 is an apocalyptic number.

28617528874 is a deficient number, since it is larger than the sum of its proper divisors (18216931766).

28617528874 is a wasteful number, since it uses less digits than its factorization.

28617528874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160485.

The product of its digits is 12042240, while the sum is 58.

The spelling of 28617528874 in words is "twenty-eight billion, six hundred seventeen million, five hundred twenty-eight thousand, eight hundred seventy-four".