27777671007 has 32 divisors (see below), whose sum is σ = 38375884800. Its totient is φ = 17860372992.

The previous prime is 27777670979. The next prime is 27777671017. The reversal of 27777671007 is 70017677772.

It is not a de Polignac number, because 27777671007 - 2⁸ = 27777670751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27777671017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12960978 + ... + 12963120.

It is an arithmetic number, because the mean of its divisors is an integer number (1199246400).

Almost surely, 2^27777671007 is an apocalyptic number.

27777671007 is a deficient number, since it is larger than the sum of its proper divisors (10598213793).

27777671007 is a wasteful number, since it uses less digits than its factorization.

27777671007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407.

The product of its (nonzero) digits is 1411788, while the sum is 51.

The spelling of 27777671007 in words is "twenty-seven billion, seven hundred seventy-seven million, six hundred seventy-one thousand, seven".