79437285873 has 24 divisors (see below), whose sum is σ = 129809979936. Its totient is φ = 48143808000.

The previous prime is 79437285833. The next prime is 79437285913. The reversal of 79437285873 is 37858273497.

79437285873 is a `hidden beast` number, since 7 + 9 + 43 + 7 + 2 + 8 + 587 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (79437285833) and next prime (79437285913).

It is not a de Polignac number, because 79437285873 - 2⁸ = 79437285617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79437285873.

It is not an unprimeable number, because it can be changed into a prime (79437285833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14856528 + ... + 14861873.

It is an arithmetic number, because the mean of its divisors is an integer number (5408749164).

Almost surely, 2^79437285873 is an apocalyptic number.

It is an amenable number.

79437285873 is a deficient number, since it is larger than the sum of its proper divisors (50372694063).

79437285873 is a wasteful number, since it uses less digits than its factorization.

79437285873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29718427 (or 29718415 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 63.

The spelling of 79437285873 in words is "seventy-nine billion, four hundred thirty-seven million, two hundred eighty-five thousand, eight hundred seventy-three".