28977647304 has 64 divisors (see below), whose sum is σ = 73236340800. Its totient is φ = 9553711104.

The previous prime is 28977647291. The next prime is 28977647311. The reversal of 28977647304 is 40374677982.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5344707 + ... + 5350125.

It is an arithmetic number, because the mean of its divisors is an integer number (1144317825).

Almost surely, 2^28977647304 is an apocalyptic number.

28977647304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28977647304 is an abundant number, since it is smaller than the sum of its proper divisors (44258693496).

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

28977647304 is a wasteful number, since it uses less digits than its factorization.

28977647304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7822 (or 7818 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 57.

The spelling of 28977647304 in words is "twenty-eight billion, nine hundred seventy-seven million, six hundred forty-seven thousand, three hundred four".