79411647 has 8 divisors (see below), whose sum is σ = 121008256. Its totient is φ = 45378072.

The previous prime is 79411613. The next prime is 79411667. The reversal of 79411647 is 74611497.

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

It is not a de Polignac number, because 79411647 - 2⁸ = 79411391 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 (79411667) 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, 1890733 + ... + 1890774.

It is an arithmetic number, because the mean of its divisors is an integer number (15126032).

Almost surely, 2^79411647 is an apocalyptic number.

79411647 is a deficient number, since it is larger than the sum of its proper divisors (41596609).

79411647 is a wasteful number, since it uses less digits than its factorization.

79411647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3781517.

The product of its digits is 42336, while the sum is 39.

The square root of 79411647 is about 8911.3212825035. The cubic root of 79411647 is about 429.8280311079.

The spelling of 79411647 in words is "seventy-nine million, four hundred eleven thousand, six hundred forty-seven".