28085207552924 has 24 divisors (see below), whose sum is σ = 49825892676000. Its totient is φ = 13849265274624.

The previous prime is 28085207552863. The next prime is 28085207552929. The reversal of 28085207552924 is 42925570258082.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28085207552929) 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, 785657 + ... + 7535759.

It is an arithmetic number, because the mean of its divisors is an integer number (2076078861500).

Almost surely, 2^{28085207552924} is an apocalyptic number.

It is an amenable number.

28085207552924 is a deficient number, since it is larger than the sum of its proper divisors (21740685123076).

28085207552924 is a wasteful number, since it uses less digits than its factorization.

28085207552924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6764429 (or 6764427 counting only the distinct ones).

The product of its (nonzero) digits is 32256000, while the sum is 59.

The spelling of 28085207552924 in words is "twenty-eight trillion, eighty-five billion, two hundred seven million, five hundred fifty-two thousand, nine hundred twenty-four".