27777673674 has 12 divisors (see below), whose sum is σ = 60184959666. Its totient is φ = 9259224552.

The previous prime is 27777673667. The next prime is 27777673699. The reversal of 27777673674 is 47637677772.

It can be written as a sum of positive squares in only one way, i.e., 15225832449 + 12551841225 = 123393^2 + 112035^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 771602029 + ... + 771602064.

Almost surely, 2^27777673674 is an apocalyptic number.

27777673674 is an abundant number, since it is smaller than the sum of its proper divisors (32407285992).

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

27777673674 is a wasteful number, since it uses less digits than its factorization.

27777673674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543204101 (or 1543204098 counting only the distinct ones).

The product of its digits is 101648736, while the sum is 63.

The spelling of 27777673674 in words is "twenty-seven billion, seven hundred seventy-seven million, six hundred seventy-three thousand, six hundred seventy-four".