28272636356988 has 48 divisors (see below), whose sum is σ = 67621700450304. Its totient is φ = 9189661135680.

The previous prime is 28272636356857. The next prime is 28272636357019. The reversal of 28272636356988 is 88965363627282.

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, 92335695 + ... + 92641382.

It is an arithmetic number, because the mean of its divisors is an integer number (1408785426048).

Almost surely, 2^{28272636356988} is an apocalyptic number.

It is an amenable number.

28272636356988 is an abundant number, since it is smaller than the sum of its proper divisors (39349064093316).

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

28272636356988 is a wasteful number, since it uses less digits than its factorization.

28272636356988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184977402 (or 184977400 counting only the distinct ones).

The product of its digits is 2508226560, while the sum is 75.

The spelling of 28272636356988 in words is "twenty-eight trillion, two hundred seventy-two billion, six hundred thirty-six million, three hundred fifty-six thousand, nine hundred eighty-eight".