27739074722 has 54 divisors (see below), whose sum is σ = 44870302737. Its totient is φ = 12860374800.

The previous prime is 27739074707. The next prime is 27739074739. The reversal of 27739074722 is 22747093772.

It can be written as a sum of positive squares in 2 ways, for example, as 27722583001 + 16491721 = 166501^2 + 4061^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=117769.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 211748597 + ... + 211748727.

Almost surely, 2^27739074722 is an apocalyptic number.

27739074722 is a deficient number, since it is larger than the sum of its proper divisors (17131228015).

27739074722 is an equidigital number, since it uses as much as digits as its factorization.

27739074722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 50.

Multiplying 27739074722 by its sum of digits (50), we get a square (1386953736100 = 1177690²).

The spelling of 27739074722 in words is "twenty-seven billion, seven hundred thirty-nine million, seventy-four thousand, seven hundred twenty-two".