11977933716 has 72 divisors (see below), whose sum is σ = 36424140480. Its totient is φ = 3242146176.

The previous prime is 11977933711. The next prime is 11977933783. The reversal of 11977933716 is 61733977911.

11977933716 is a `hidden beast` number, since 119 + 77 + 93 + 371 + 6 = 666.

It is a super-2 number, since 2×11977933716² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11977933711) 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, 1246041 + ... + 1255616.

It is an arithmetic number, because the mean of its divisors is an integer number (505890840).

Almost surely, 2^11977933716 is an apocalyptic number.

It is an amenable number.

11977933716 is an abundant number, since it is smaller than the sum of its proper divisors (24446206764).

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

11977933716 is a wasteful number, since it uses less digits than its factorization.

11977933716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501693 (or 2501688 counting only the distinct ones).

The product of its digits is 1500282, while the sum is 54.

The spelling of 11977933716 in words is "eleven billion, nine hundred seventy-seven million, nine hundred thirty-three thousand, seven hundred sixteen".