79044689 has 4 divisors (see below), whose sum is σ = 79251456. Its totient is φ = 78837924.

The previous prime is 79044683. The next prime is 79044733. The reversal of 79044689 is 98644097.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98644097 = 73 ⋅1351289.

It is a cyclic number.

It is not a de Polignac number, because 79044689 - 2¹² = 79040593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79044683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102809 + ... + 103574.

It is an arithmetic number, because the mean of its divisors is an integer number (19812864).

Almost surely, 2^79044689 is an apocalyptic number.

It is an amenable number.

79044689 is a deficient number, since it is larger than the sum of its proper divisors (206767).

79044689 is a wasteful number, since it uses less digits than its factorization.

79044689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206766.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 79044689 is about 8890.7080145509. The cubic root of 79044689 is about 429.1649360452.

The spelling of 79044689 in words is "seventy-nine million, forty-four thousand, six hundred eighty-nine".