28901752922952 has 192 divisors, whose sum is σ = 96896054062080. Its totient is φ = 7578379685376.

The previous prime is 28901752922899. The next prime is 28901752922963. The reversal of 28901752922952 is 25922925710982.

28901752922952 is a `hidden beast` number, since 2 + 8 + 9 + 0 + 17 + 529 + 2 + 2 + 95 + 2 = 666.

It is a super-2 number, since 2×28901752922952² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 28901752922952.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11615448 + ... + 13882439.

It is an arithmetic number, because the mean of its divisors is an integer number (504666948240).

Almost surely, 2^{28901752922952} is an apocalyptic number.

It is an amenable number.

28901752922952 is an abundant number, since it is smaller than the sum of its proper divisors (67994301139128).

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

28901752922952 is a wasteful number, since it uses less digits than its factorization.

28901752922952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25498092 (or 25498085 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 63.

The spelling of 28901752922952 in words is "twenty-eight trillion, nine hundred one billion, seven hundred fifty-two million, nine hundred twenty-two thousand, nine hundred fifty-two".