28855207832 has 24 divisors (see below), whose sum is σ = 59469154500. Its totient is φ = 13116003120.

The previous prime is 28855207817. The next prime is 28855207841. The reversal of 28855207832 is 23870255882.

It is a super-3 number, since 3×28855207832³ (a number of 32 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14903582 + ... + 14905517.

Almost surely, 2^28855207832 is an apocalyptic number.

28855207832 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28855207832 is an abundant number, since it is smaller than the sum of its proper divisors (30613946668).

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

28855207832 is a wasteful number, since it uses less digits than its factorization.

28855207832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29809127 (or 29809112 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 28855207832 in words is "twenty-eight billion, eight hundred fifty-five million, two hundred seven thousand, eight hundred thirty-two".