28470780588 has 24 divisors (see below), whose sum is σ = 67520869360. Its totient is φ = 9334681920.

The previous prime is 28470780571. The next prime is 28470780647. The reversal of 28470780588 is 88508707482.

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, 19446523 + ... + 19447986.

Almost surely, 2^28470780588 is an apocalyptic number.

It is an amenable number.

28470780588 is an abundant number, since it is smaller than the sum of its proper divisors (39050088772).

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

28470780588 is a wasteful number, since it uses less digits than its factorization.

28470780588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38894577 (or 38894575 counting only the distinct ones).

The product of its (nonzero) digits is 8028160, while the sum is 57.

The spelling of 28470780588 in words is "twenty-eight billion, four hundred seventy million, seven hundred eighty thousand, five hundred eighty-eight".