27637631342725 has 12 divisors (see below), whose sum is σ = 34488947346724. Its totient is φ = 21969276376320.

The previous prime is 27637631342687. The next prime is 27637631342747. The reversal of 27637631342725 is 52724313673672.

It can be written as a sum of positive squares in 6 ways, for example, as 9026767873764 + 18610863468961 = 3004458^2 + 4314031^2 .

It is not a de Polignac number, because 27637631342725 - 2⁷ = 27637631342597 is a prime.

It is a super-3 number, since 3×27637631342725³ (a number of 41 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27637631342725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3520713444 + ... + 3520721293.

Almost surely, 2^{27637631342725} is an apocalyptic number.

27637631342725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27637631342725 is a deficient number, since it is larger than the sum of its proper divisors (6851316003999).

27637631342725 is a wasteful number, since it uses less digits than its factorization.

27637631342725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7041434904 (or 7041434899 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 58.

The spelling of 27637631342725 in words is "twenty-seven trillion, six hundred thirty-seven billion, six hundred thirty-one million, three hundred forty-two thousand, seven hundred twenty-five".