79296921479 has 16 divisors (see below), whose sum is σ = 84938287104. Its totient is φ = 73898546400.

The previous prime is 79296921469. The next prime is 79296921493. The reversal of 79296921479 is 97412969297.

It is a cyclic number.

It is not a de Polignac number, because 79296921479 - 2⁴ = 79296921463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79296921409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324284 + ... + 513569.

It is an arithmetic number, because the mean of its divisors is an integer number (5308642944).

Almost surely, 2^79296921479 is an apocalyptic number.

79296921479 is a deficient number, since it is larger than the sum of its proper divisors (5641365625).

79296921479 is a wasteful number, since it uses less digits than its factorization.

79296921479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837998.

The product of its digits is 30862944, while the sum is 65.

The spelling of 79296921479 in words is "seventy-nine billion, two hundred ninety-six million, nine hundred twenty-one thousand, four hundred seventy-nine".