12077497764 has 48 divisors (see below), whose sum is σ = 31320555840. Its totient is φ = 4024736640.

The previous prime is 12077497759. The next prime is 12077497781. The reversal of 12077497764 is 46779477021.

12077497764 is a `hidden beast` number, since 1 + 20 + 77 + 497 + 7 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 12077497764.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448399 + ... + 474569.

It is an arithmetic number, because the mean of its divisors is an integer number (652511580).

Almost surely, 2^12077497764 is an apocalyptic number.

It is an amenable number.

12077497764 is an abundant number, since it is smaller than the sum of its proper divisors (19243058076).

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

12077497764 is a wasteful number, since it uses less digits than its factorization.

12077497764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30457 (or 30449 counting only the distinct ones).

The product of its (nonzero) digits is 4148928, while the sum is 54.

The spelling of 12077497764 in words is "twelve billion, seventy-seven million, four hundred ninety-seven thousand, seven hundred sixty-four".