27604677081 has 16 divisors (see below), whose sum is σ = 37068115968. Its totient is φ = 18272298000.

The previous prime is 27604677049. The next prime is 27604677091. The reversal of 27604677081 is 18077640672.

It is not a de Polignac number, because 27604677081 - 2⁵ = 27604677049 is a prime.

It is a super-2 number, since 2×27604677081² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27604677081.

It is not an unprimeable number, because it can be changed into a prime (27604677091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985966 + ... + 1013576.

It is an arithmetic number, because the mean of its divisors is an integer number (2316757248).

Almost surely, 2^27604677081 is an apocalyptic number.

It is an amenable number.

27604677081 is a deficient number, since it is larger than the sum of its proper divisors (9463438887).

27604677081 is a wasteful number, since it uses less digits than its factorization.

27604677081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29972.

The product of its (nonzero) digits is 790272, while the sum is 48.

The spelling of 27604677081 in words is "twenty-seven billion, six hundred four million, six hundred seventy-seven thousand, eighty-one".