28904312376 has 64 divisors (see below), whose sum is σ = 81069331200. Its totient is φ = 9541221984.

The previous prime is 28904312351. The next prime is 28904312387. The reversal of 28904312376 is 67321340982.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 627346 + ... + 671841.

It is an arithmetic number, because the mean of its divisors is an integer number (1266708300).

Almost surely, 2^28904312376 is an apocalyptic number.

It is an amenable number.

28904312376 is an abundant number, since it is smaller than the sum of its proper divisors (52165018824).

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

28904312376 is a wasteful number, since it uses less digits than its factorization.

28904312376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299305 (or 1299295 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 28904312376 in words is "twenty-eight billion, nine hundred four million, three hundred twelve thousand, three hundred seventy-six".