28792873088 has 64 divisors (see below), whose sum is σ = 65580630720. Its totient is φ = 12335016960.

The previous prime is 28792873079. The next prime is 28792873217. The reversal of 28792873088 is 88037829782.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 28792873088.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3259718 + ... + 3268538.

It is an arithmetic number, because the mean of its divisors is an integer number (1024697355).

Almost surely, 2^28792873088 is an apocalyptic number.

28792873088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28792873088 is an abundant number, since it is smaller than the sum of its proper divisors (36787757632).

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

28792873088 is an equidigital number, since it uses as much as digits as its factorization.

28792873088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12485 (or 12473 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 62.

The spelling of 28792873088 in words is "twenty-eight billion, seven hundred ninety-two million, eight hundred seventy-three thousand, eighty-eight".