12377521884 has 48 divisors (see below), whose sum is σ = 35545707008. Its totient is φ = 3264401088.

The previous prime is 12377521873. The next prime is 12377521907. The reversal of 12377521884 is 48812577321.

It is a congruent number.

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, 5666272 + ... + 5668455.

Almost surely, 2^12377521884 is an apocalyptic number.

12377521884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12377521884 is an abundant number, since it is smaller than the sum of its proper divisors (23168185124).

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

12377521884 is a wasteful number, since it uses less digits than its factorization.

12377521884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11334754 (or 11334752 counting only the distinct ones).

The product of its digits is 752640, while the sum is 48.

The spelling of 12377521884 in words is "twelve billion, three hundred seventy-seven million, five hundred twenty-one thousand, eight hundred eighty-four".