27928179465372 has 96 divisors (see below), whose sum is σ = 78675875174400. Its totient is φ = 8534927491200.

The previous prime is 27928179465367. The next prime is 27928179465413. The reversal of 27928179465372 is 27356497182972.

27928179465372 is a `hidden beast` number, since 2 + 7 + 9 + 2 + 81 + 7 + 9 + 4 + 6 + 537 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 27928179465372.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219456129 + ... + 219583352.

It is an arithmetic number, because the mean of its divisors is an integer number (819540366400).

Almost surely, 2^{27928179465372} is an apocalyptic number.

It is an amenable number.

27928179465372 is an abundant number, since it is smaller than the sum of its proper divisors (50747695709028).

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

27928179465372 is a wasteful number, since it uses less digits than its factorization.

27928179465372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439039544 (or 439039536 counting only the distinct ones).

The product of its digits is 640120320, while the sum is 72.

The spelling of 27928179465372 in words is "twenty-seven trillion, nine hundred twenty-eight billion, one hundred seventy-nine million, four hundred sixty-five thousand, three hundred seventy-two".