27932378479560 has 80 divisors (see below), whose sum is σ = 93883827678300. Its totient is φ = 7448634260352.

The previous prime is 27932378479553. The next prime is 27932378479571. The reversal of 27932378479560 is 6597487323972.

27932378479560 is a `hidden beast` number, since 2 + 7 + 9 + 3 + 23 + 78 + 479 + 5 + 60 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26794226626596 + 1138151852964 = 5176314^2 + 1066842^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4310548995 + ... + 4310555474.

Almost surely, 2^{27932378479560} is an apocalyptic number.

27932378479560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27932378479560 is an abundant number, since it is smaller than the sum of its proper divisors (65951449198740).

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

27932378479560 is a wasteful number, since it uses less digits than its factorization.

27932378479560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8621104492 (or 8621104479 counting only the distinct ones).

The product of its (nonzero) digits is 960180480, while the sum is 72.

The spelling of 27932378479560 in words is "twenty-seven trillion, nine hundred thirty-two billion, three hundred seventy-eight million, four hundred seventy-nine thousand, five hundred sixty".