27777504996 has 36 divisors (see below), whose sum is σ = 70236483772. Its totient is φ = 9256382784.

The previous prime is 27777504967. The next prime is 27777505003. The reversal of 27777504996 is 69940577772.

27777504996 is a `hidden beast` number, since 2 + 7 + 77 + 75 + 0 + 499 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21730887396 + 6046617600 = 147414^2 + 77760^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×27777504996³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7050 + ... + 235806.

Almost surely, 2^27777504996 is an apocalyptic number.

It is an amenable number.

27777504996 is an abundant number, since it is smaller than the sum of its proper divisors (42458978776).

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

27777504996 is a wasteful number, since it uses less digits than its factorization.

27777504996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232140 (or 232135 counting only the distinct ones).

The product of its (nonzero) digits is 46675440, while the sum is 63.

The spelling of 27777504996 in words is "twenty-seven billion, seven hundred seventy-seven million, five hundred four thousand, nine hundred ninety-six".