27639132974 has 8 divisors (see below), whose sum is σ = 41527684128. Its totient is φ = 13796571600.

The previous prime is 27639132953. The next prime is 27639132977. The reversal of 27639132974 is 47923193672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27639132977) 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, 11495942 + ... + 11498345.

It is an arithmetic number, because the mean of its divisors is an integer number (5190960516).

Almost surely, 2^27639132974 is an apocalyptic number.

27639132974 is a deficient number, since it is larger than the sum of its proper divisors (13888551154).

27639132974 is a wasteful number, since it uses less digits than its factorization.

27639132974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22994890.

The product of its digits is 3429216, while the sum is 53.

The spelling of 27639132974 in words is "twenty-seven billion, six hundred thirty-nine million, one hundred thirty-two thousand, nine hundred seventy-four".