28470005904 has 40 divisors (see below), whose sum is σ = 73671615072. Its totient is φ = 9473989120.

The previous prime is 28470005873. The next prime is 28470005909. The reversal of 28470005904 is 40950007482.

It is not an unprimeable number, because it can be changed into a prime (28470005909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471642 + ... + 528569.

Almost surely, 2^28470005904 is an apocalyptic number.

28470005904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28470005904 is an abundant number, since it is smaller than the sum of its proper divisors (45201609168).

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

28470005904 is a wasteful number, since it uses less digits than its factorization.

28470005904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000815 (or 1000809 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 28470005904 in words is "twenty-eight billion, four hundred seventy million, five thousand, nine hundred four".