27246267172 has 6 divisors (see below), whose sum is σ = 47680967558. Its totient is φ = 13623133584.

The previous prime is 27246267151. The next prime is 27246267179. The reversal of 27246267172 is 27176264272.

It can be written as a sum of positive squares in only one way, i.e., 20003576356 + 7242690816 = 141434^2 + 85104^2 .

It is not an unprimeable number, because it can be changed into a prime (27246267179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3405783393 + ... + 3405783400.

Almost surely, 2^27246267172 is an apocalyptic number.

It is an amenable number.

27246267172 is a deficient number, since it is larger than the sum of its proper divisors (20434700386).

27246267172 is a wasteful number, since it uses less digits than its factorization.

27246267172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811566797 (or 6811566795 counting only the distinct ones).

The product of its digits is 790272, while the sum is 46.

The spelling of 27246267172 in words is "twenty-seven billion, two hundred forty-six million, two hundred sixty-seven thousand, one hundred seventy-two".