28497770592 has 96 divisors (see below), whose sum is σ = 80169046272. Its totient is φ = 8840646144.

The previous prime is 28497770579. The next prime is 28497770603. The reversal of 28497770592 is 29507779482.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 92718 + ... + 256109.

It is an arithmetic number, because the mean of its divisors is an integer number (835094232).

Almost surely, 2^28497770592 is an apocalyptic number.

It is an amenable number.

28497770592 is an abundant number, since it is smaller than the sum of its proper divisors (51671275680).

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

28497770592 is a wasteful number, since it uses less digits than its factorization.

28497770592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348900 (or 348892 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 60.

The spelling of 28497770592 in words is "twenty-eight billion, four hundred ninety-seven million, seven hundred seventy thousand, five hundred ninety-two".