27752661364 has 12 divisors (see below), whose sum is σ = 51424049124. Its totient is φ = 13060075904.

The previous prime is 27752661361. The next prime is 27752661397. The reversal of 27752661364 is 46316625772.

It can be written as a sum of positive squares in 2 ways, for example, as 12150652900 + 15602008464 = 110230^2 + 124908^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27752661361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204063619 + ... + 204063754.

It is an arithmetic number, because the mean of its divisors is an integer number (4285337427).

Almost surely, 2^27752661364 is an apocalyptic number.

It is an amenable number.

27752661364 is a deficient number, since it is larger than the sum of its proper divisors (23671387760).

27752661364 is a wasteful number, since it uses less digits than its factorization.

27752661364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408127394 (or 408127392 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 49.

The spelling of 27752661364 in words is "twenty-seven billion, seven hundred fifty-two million, six hundred sixty-one thousand, three hundred sixty-four".