27317142625 has 16 divisors (see below), whose sum is σ = 34393509072. Its totient is φ = 21660307200.

The previous prime is 27317142551. The next prime is 27317142689. The reversal of 27317142625 is 52624171372.

It can be written as a sum of positive squares in 8 ways, for example, as 17878631521 + 9438511104 = 133711^2 + 97152^2 .

It is not a de Polignac number, because 27317142625 - 2⁷ = 27317142497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 952854 + ... + 981103.

It is an arithmetic number, because the mean of its divisors is an integer number (2149594317).

Almost surely, 2^27317142625 is an apocalyptic number.

27317142625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27317142625 is a deficient number, since it is larger than the sum of its proper divisors (7076366447).

27317142625 is a wasteful number, since it uses less digits than its factorization.

27317142625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934085 (or 1934075 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The spelling of 27317142625 in words is "twenty-seven billion, three hundred seventeen million, one hundred forty-two thousand, six hundred twenty-five".