78369336692 has 12 divisors (see below), whose sum is σ = 137528364960. Its totient is φ = 39075518136.

The previous prime is 78369336691. The next prime is 78369336707. The reversal of 78369336692 is 29663396387.

It is a super-2 number, since 2×78369336692² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78369336691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27285938 + ... + 27288809.

It is an arithmetic number, because the mean of its divisors is an integer number (11460697080).

Almost surely, 2^78369336692 is an apocalyptic number.

It is an amenable number.

78369336692 is a deficient number, since it is larger than the sum of its proper divisors (59159028268).

78369336692 is a wasteful number, since it uses less digits than its factorization.

78369336692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54575110 (or 54575108 counting only the distinct ones).

The product of its digits is 52907904, while the sum is 62.

The spelling of 78369336692 in words is "seventy-eight billion, three hundred sixty-nine million, three hundred thirty-six thousand, six hundred ninety-two".