27312116377 has 24 divisors (see below), whose sum is σ = 35708609216. Its totient is φ = 20338414848.

The previous prime is 27312116357. The next prime is 27312116399. The reversal of 27312116377 is 77361121372.

It is not a de Polignac number, because 27312116377 - 2¹⁹ = 27311592089 is a prime.

It is a super-2 number, since 2×27312116377² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27312116317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 492963 + ... + 545560.

Almost surely, 2^27312116377 is an apocalyptic number.

It is an amenable number.

27312116377 is a deficient number, since it is larger than the sum of its proper divisors (8396492839).

27312116377 is a wasteful number, since it uses less digits than its factorization.

27312116377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038577 (or 1038560 counting only the distinct ones).

The product of its digits is 74088, while the sum is 40.

The spelling of 27312116377 in words is "twenty-seven billion, three hundred twelve million, one hundred sixteen thousand, three hundred seventy-seven".