79166964379 has 4 divisors (see below), whose sum is σ = 79235746560. Its totient is φ = 79098182200.

The previous prime is 79166964343. The next prime is 79166964397. The reversal of 79166964379 is 97346966197.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79166964379 - 2¹⁹ = 79166440091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79166964319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34389364 + ... + 34391665.

It is an arithmetic number, because the mean of its divisors is an integer number (19808936640).

Almost surely, 2^79166964379 is an apocalyptic number.

79166964379 is a deficient number, since it is larger than the sum of its proper divisors (68782181).

79166964379 is a wasteful number, since it uses less digits than its factorization.

79166964379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68782180.

The product of its digits is 92588832, while the sum is 67.

The spelling of 79166964379 in words is "seventy-nine billion, one hundred sixty-six million, nine hundred sixty-four thousand, three hundred seventy-nine".