28972176450504 has 32 divisors (see below), whose sum is σ = 82777647001920. Its totient is φ = 8277764700096.

The previous prime is 28972176450499. The next prime is 28972176450521. The reversal of 28972176450504 is 40505467127982.

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, 86226715459 + ... + 86226715794.

It is an arithmetic number, because the mean of its divisors is an integer number (2586801468810).

Almost surely, 2^{28972176450504} is an apocalyptic number.

28972176450504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28972176450504 is an abundant number, since it is smaller than the sum of its proper divisors (53805470551416).

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

28972176450504 is a wasteful number, since it uses less digits than its factorization.

28972176450504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172453431269 (or 172453431265 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 60.

The spelling of 28972176450504 in words is "twenty-eight trillion, nine hundred seventy-two billion, one hundred seventy-six million, four hundred fifty thousand, five hundred four".