79514645938 has 64 divisors (see below), whose sum is σ = 155645038080. Its totient is φ = 29565268992.

The previous prime is 79514645879. The next prime is 79514645939. The reversal of 79514645938 is 83954641597.

It is not an unprimeable number, because it can be changed into a prime (79514645939) 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 31 ways as a sum of consecutive naturals, for example, 2281548 + ... + 2316136.

It is an arithmetic number, because the mean of its divisors is an integer number (2431953720).

Almost surely, 2^79514645938 is an apocalyptic number.

79514645938 is a deficient number, since it is larger than the sum of its proper divisors (76130392142).

79514645938 is a wasteful number, since it uses less digits than its factorization.

79514645938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35371.

The product of its digits is 32659200, while the sum is 61.

The spelling of 79514645938 in words is "seventy-nine billion, five hundred fourteen million, six hundred forty-five thousand, nine hundred thirty-eight".