12377878652 has 12 divisors (see below), whose sum is σ = 21763949256. Its totient is φ = 6159607440.

The previous prime is 12377878609. The next prime is 12377878673. The reversal of 12377878652 is 25687877321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7332023 + ... + 7333710.

It is an arithmetic number, because the mean of its divisors is an integer number (1813662438).

Almost surely, 2^12377878652 is an apocalyptic number.

It is an amenable number.

12377878652 is a deficient number, since it is larger than the sum of its proper divisors (9386070604).

12377878652 is a wasteful number, since it uses less digits than its factorization.

12377878652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14665948 (or 14665946 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 56.

The spelling of 12377878652 in words is "twelve billion, three hundred seventy-seven million, eight hundred seventy-eight thousand, six hundred fifty-two".