28175804084 has 12 divisors (see below), whose sum is σ = 49319231808. Its totient is φ = 14084595000.

The previous prime is 28175804039. The next prime is 28175804093. The reversal of 28175804084 is 48040857182.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 807542 + ... + 841709.

It is an arithmetic number, because the mean of its divisors is an integer number (4109935984).

Almost surely, 2^28175804084 is an apocalyptic number.

It is an amenable number.

28175804084 is a deficient number, since it is larger than the sum of its proper divisors (21143427724).

28175804084 is a wasteful number, since it uses less digits than its factorization.

28175804084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653526 (or 1653524 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 47.

The spelling of 28175804084 in words is "twenty-eight billion, one hundred seventy-five million, eight hundred four thousand, eighty-four".