28587445008 has 80 divisors (see below), whose sum is σ = 74466067200. Its totient is φ = 9449930880.

The previous prime is 28587444989. The next prime is 28587445027. The reversal of 28587445008 is 80054478582.

It is an interprime number because it is at equal distance from previous prime (28587444989) and next prime (28587445027).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

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, 7811083 + ... + 7814741.

It is an arithmetic number, because the mean of its divisors is an integer number (930825840).

Almost surely, 2^28587445008 is an apocalyptic number.

It is an amenable number.

28587445008 is an abundant number, since it is smaller than the sum of its proper divisors (45878622192).

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

28587445008 is a wasteful number, since it uses less digits than its factorization.

28587445008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4980 (or 4974 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 51.

The spelling of 28587445008 in words is "twenty-eight billion, five hundred eighty-seven million, four hundred forty-five thousand, eight".