28470132904 has 32 divisors (see below), whose sum is σ = 55649111040. Its totient is φ = 13639464000.

The previous prime is 28470132869. The next prime is 28470132949. The reversal of 28470132904 is 40923107482.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543264 + ... + 593359.

It is an arithmetic number, because the mean of its divisors is an integer number (1739034720).

Almost surely, 2^28470132904 is an apocalyptic number.

It is an amenable number.

28470132904 is a deficient number, since it is larger than the sum of its proper divisors (27178978136).

28470132904 is a wasteful number, since it uses less digits than its factorization.

28470132904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136761 (or 1136757 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 28470132904 in words is "twenty-eight billion, four hundred seventy million, one hundred thirty-two thousand, nine hundred four".