79671046565 has 8 divisors (see below), whose sum is σ = 104296642848. Its totient is φ = 57942579280.

The previous prime is 79671046513. The next prime is 79671046579. The reversal of 79671046565 is 56564017697.

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

It is not a de Polignac number, because 79671046565 - 2⁸ = 79671046309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79671046565.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 724282187 + ... + 724282296.

It is an arithmetic number, because the mean of its divisors is an integer number (13037080356).

Almost surely, 2^79671046565 is an apocalyptic number.

It is an amenable number.

79671046565 is a deficient number, since it is larger than the sum of its proper divisors (24625596283).

79671046565 is a wasteful number, since it uses less digits than its factorization.

79671046565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448564499.

The product of its (nonzero) digits is 9525600, while the sum is 56.

The spelling of 79671046565 in words is "seventy-nine billion, six hundred seventy-one million, forty-six thousand, five hundred sixty-five".