27297279272 has 32 divisors (see below), whose sum is σ = 52284355200. Its totient is φ = 13354929024.

The previous prime is 27297279257. The next prime is 27297279277.

27297279272 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (27297279277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2283503 + ... + 2295425.

It is an arithmetic number, because the mean of its divisors is an integer number (1633886100).

Almost surely, 2^27297279272 is an apocalyptic number.

It is an amenable number.

27297279272 is a deficient number, since it is larger than the sum of its proper divisors (24987075928).

27297279272 is a wasteful number, since it uses less digits than its factorization.

27297279272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18065 (or 18061 counting only the distinct ones).

The product of its digits is 6223392, while the sum is 56.

The spelling of 27297279272 in words is "twenty-seven billion, two hundred ninety-seven million, two hundred seventy-nine thousand, two hundred seventy-two".