12379677695 has 48 divisors (see below), whose sum is σ = 19675035648. Its totient is φ = 7263183360.

The previous prime is 12379677691. The next prime is 12379677697. The reversal of 12379677695 is 59677697321.

It is a Cunningham number, because it is equal to 111264²-1.

It is not a de Polignac number, because 12379677695 - 2² = 12379677691 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12379677691) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55634 + ... + 166896.

It is an arithmetic number, because the mean of its divisors is an integer number (409896576).

Almost surely, 2^12379677695 is an apocalyptic number.

12379677695 is a deficient number, since it is larger than the sum of its proper divisors (7295357953).

12379677695 is a wasteful number, since it uses less digits than its factorization.

12379677695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111320 (or 111303 counting only the distinct ones).

The product of its digits is 30005640, while the sum is 62.

The spelling of 12379677695 in words is "twelve billion, three hundred seventy-nine million, six hundred seventy-seven thousand, six hundred ninety-five".