79285715715 has 16 divisors (see below), whose sum is σ = 127697262336. Its totient is φ = 42005676000.

The previous prime is 79285715689. The next prime is 79285715767. The reversal of 79285715715 is 51751758297.

It is not a de Polignac number, because 79285715715 - 2²⁰ = 79284667139 is a prime.

It is a super-2 number, since 2×79285715715² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17500101 + ... + 17504630.

It is an arithmetic number, because the mean of its divisors is an integer number (7981078896).

Almost surely, 2^79285715715 is an apocalyptic number.

79285715715 is a deficient number, since it is larger than the sum of its proper divisors (48411546621).

79285715715 is a wasteful number, since it uses less digits than its factorization.

79285715715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35004890.

The product of its digits is 6174000, while the sum is 57.

The spelling of 79285715715 in words is "seventy-nine billion, two hundred eighty-five million, seven hundred fifteen thousand, seven hundred fifteen".