28544833086 has 48 divisors (see below), whose sum is σ = 72447747840. Its totient is φ = 7414241520.

The previous prime is 28544833073. The next prime is 28544833091. The reversal of 28544833086 is 68033844582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4410006 + ... + 4416473.

It is an arithmetic number, because the mean of its divisors is an integer number (1509328080).

Almost surely, 2^28544833086 is an apocalyptic number.

28544833086 is an abundant number, since it is smaller than the sum of its proper divisors (43902914754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28544833086 is a wasteful number, since it uses less digits than its factorization.

28544833086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8826509 (or 8826502 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 51.

The spelling of 28544833086 in words is "twenty-eight billion, five hundred forty-four million, eight hundred thirty-three thousand, eighty-six".