79315206868 has 48 divisors (see below), whose sum is σ = 154846036800. Its totient is φ = 35327301120.

The previous prime is 79315206863. The next prime is 79315206877. The reversal of 79315206868 is 86860251397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79315206863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1381438 + ... + 1437706.

It is an arithmetic number, because the mean of its divisors is an integer number (3225959100).

Almost surely, 2^79315206868 is an apocalyptic number.

It is an amenable number.

79315206868 is a deficient number, since it is larger than the sum of its proper divisors (75530829932).

79315206868 is a wasteful number, since it uses less digits than its factorization.

79315206868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57400 (or 57398 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 79315206868 in words is "seventy-nine billion, three hundred fifteen million, two hundred six thousand, eight hundred sixty-eight".