27311664976 has 20 divisors (see below), whose sum is σ = 56029077972. Its totient is φ = 12852548096.

The previous prime is 27311664971. The next prime is 27311664977. The reversal of 27311664976 is 67946611372.

It can be written as a sum of positive squares in 2 ways, for example, as 18225000000 + 9086664976 = 135000^2 + 95324^2 .

It is a super-2 number, since 2×27311664976² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27311664971) 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, 50204995 + ... + 50205538.

Almost surely, 2^27311664976 is an apocalyptic number.

It is an amenable number.

27311664976 is an abundant number, since it is smaller than the sum of its proper divisors (28717412996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27311664976 is a wasteful number, since it uses less digits than its factorization.

27311664976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100410558 (or 100410552 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 52.

The spelling of 27311664976 in words is "twenty-seven billion, three hundred eleven million, six hundred sixty-four thousand, nine hundred seventy-six".