79586940515 has 8 divisors (see below), whose sum is σ = 95774881248. Its totient is φ = 63489184000.

The previous prime is 79586940509. The next prime is 79586940539. The reversal of 79586940515 is 51504968597.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79586940515 - 2⁶ = 79586940451 is a prime.

It is a super-2 number, since 2×79586940515² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22544111 + ... + 22547640.

It is an arithmetic number, because the mean of its divisors is an integer number (11971860156).

Almost surely, 2^79586940515 is an apocalyptic number.

79586940515 is a deficient number, since it is larger than the sum of its proper divisors (16187940733).

79586940515 is a wasteful number, since it uses less digits than its factorization.

79586940515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45092109.

The product of its (nonzero) digits is 13608000, while the sum is 59.

The spelling of 79586940515 in words is "seventy-nine billion, five hundred eighty-six million, nine hundred forty thousand, five hundred fifteen".