79703218915 has 8 divisors (see below), whose sum is σ = 95851335888. Its totient is φ = 63624259680.

The previous prime is 79703218871. The next prime is 79703218963. The reversal of 79703218915 is 51981230797.

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

It is not a de Polignac number, because 79703218915 - 2²¹ = 79701121763 is a prime.

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, 17286897 + ... + 17291506.

It is an arithmetic number, because the mean of its divisors is an integer number (11981416986).

Almost surely, 2^79703218915 is an apocalyptic number.

79703218915 is a deficient number, since it is larger than the sum of its proper divisors (16148116973).

79703218915 is a wasteful number, since it uses less digits than its factorization.

79703218915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34578869.

The product of its (nonzero) digits is 952560, while the sum is 52.

The spelling of 79703218915 in words is "seventy-nine billion, seven hundred three million, two hundred eighteen thousand, nine hundred fifteen".