79996351867 has 8 divisors (see below), whose sum is σ = 81200874816. Its totient is φ = 78792139272.

The previous prime is 79996351847. The next prime is 79996351891. The reversal of 79996351867 is 76815369997.

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

It is a cyclic number.

It is not a de Polignac number, because 79996351867 - 2³¹ = 77848868219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79996351796 and 79996351805.

It is not an unprimeable number, because it can be changed into a prime (79996351817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470748 + ... + 617734.

It is an arithmetic number, because the mean of its divisors is an integer number (10150109352).

Almost surely, 2^79996351867 is an apocalyptic number.

79996351867 is a deficient number, since it is larger than the sum of its proper divisors (1204522949).

79996351867 is a wasteful number, since it uses less digits than its factorization.

79996351867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155177.

The product of its digits is 154314720, while the sum is 70.

The spelling of 79996351867 in words is "seventy-nine billion, nine hundred ninety-six million, three hundred fifty-one thousand, eight hundred sixty-seven".