27564120352 has 12 divisors (see below), whose sum is σ = 54266862006. Its totient is φ = 13782060160.

The previous prime is 27564120347. The next prime is 27564120359. The reversal of 27564120352 is 25302146572.

It can be written as a sum of positive squares in only one way, i.e., 27054986256 + 509134096 = 164484^2 + 22564^2 .

It is not an unprimeable number, because it can be changed into a prime (27564120359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430689349 + ... + 430689412.

Almost surely, 2^27564120352 is an apocalyptic number.

It is an amenable number.

27564120352 is a deficient number, since it is larger than the sum of its proper divisors (26702741654).

27564120352 is an equidigital number, since it uses as much as digits as its factorization.

27564120352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861378771 (or 861378763 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 27564120352 in words is "twenty-seven billion, five hundred sixty-four million, one hundred twenty thousand, three hundred fifty-two".