79146347015 has 4 divisors (see below), whose sum is σ = 94975616424. Its totient is φ = 63317077608.

The previous prime is 79146346999. The next prime is 79146347051. The reversal of 79146347015 is 51074364197.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51074364197 = 53 ⋅963667249.

It is a cyclic number.

It is not a de Polignac number, because 79146347015 - 2⁴ = 79146346999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7914634697 + ... + 7914634706.

It is an arithmetic number, because the mean of its divisors is an integer number (23743904106).

Almost surely, 2^79146347015 is an apocalyptic number.

79146347015 is a deficient number, since it is larger than the sum of its proper divisors (15829269409).

79146347015 is a wasteful number, since it uses less digits than its factorization.

79146347015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15829269408.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 79146347015 in words is "seventy-nine billion, one hundred forty-six million, three hundred forty-seven thousand, fifteen".