27959977330 has 16 divisors (see below), whose sum is σ = 50334174360. Its totient is φ = 11182609792.

The previous prime is 27959977261. The next prime is 27959977369. The reversal of 27959977330 is 3377995972.

It can be written as a sum of positive squares in 4 ways, for example, as 27493287721 + 466689609 = 165811^2 + 21603^2 .

It is a super-2 number, since 2×27959977330² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85525 + ... + 251464.

Almost surely, 2^27959977330 is an apocalyptic number.

27959977330 is a deficient number, since it is larger than the sum of its proper divisors (22374197030).

27959977330 is a wasteful number, since it uses less digits than its factorization.

27959977330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345293.

The product of its (nonzero) digits is 22504230, while the sum is 61.

The spelling of 27959977330 in words is "twenty-seven billion, nine hundred fifty-nine million, nine hundred seventy-seven thousand, three hundred thirty".