28904715092 has 48 divisors (see below), whose sum is σ = 56701538880. Its totient is φ = 12777004800.

The previous prime is 28904715023. The next prime is 28904715101. The reversal of 28904715092 is 29051740982.

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, 4911992 + ... + 4917872.

It is an arithmetic number, because the mean of its divisors is an integer number (1181282060).

Almost surely, 2^28904715092 is an apocalyptic number.

28904715092 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28904715092 is a deficient number, since it is larger than the sum of its proper divisors (27796823788).

28904715092 is a wasteful number, since it uses less digits than its factorization.

28904715092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8952 (or 8950 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 28904715092 in words is "twenty-eight billion, nine hundred four million, seven hundred fifteen thousand, ninety-two".