28085581025008 has 40 divisors (see below), whose sum is σ = 58652033873328. Its totient is φ = 12951429937152.

The previous prime is 28085581024993. The next prime is 28085581025077. The reversal of 28085581025008 is 80052018558082.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

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, 57809185 + ... + 58292992.

Almost surely, 2^{28085581025008} is an apocalyptic number.

It is an amenable number.

28085581025008 is an abundant number, since it is smaller than the sum of its proper divisors (30566452848320).

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

28085581025008 is a wasteful number, since it uses less digits than its factorization.

28085581025008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116103361 (or 116103355 counting only the distinct ones).

The product of its (nonzero) digits is 2048000, while the sum is 52.

The spelling of 28085581025008 in words is "twenty-eight trillion, eighty-five billion, five hundred eighty-one million, twenty-five thousand, eight".