12378524764 has 12 divisors (see below), whose sum is σ = 21718980864. Its totient is φ = 6173101664.

The previous prime is 12378524731. The next prime is 12378524777. The reversal of 12378524764 is 46742587321.

It is a super-2 number, since 2×12378524764² (a number of 21 digits) contains 22 as substring.

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, 4038457 + ... + 4041520.

It is an arithmetic number, because the mean of its divisors is an integer number (1809915072).

Almost surely, 2^12378524764 is an apocalyptic number.

It is an amenable number.

12378524764 is a deficient number, since it is larger than the sum of its proper divisors (9340456100).

12378524764 is a wasteful number, since it uses less digits than its factorization.

12378524764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8080364 (or 8080362 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 49.

The spelling of 12378524764 in words is "twelve billion, three hundred seventy-eight million, five hundred twenty-four thousand, seven hundred sixty-four".