79579489 has 8 divisors (see below), whose sum is σ = 89160768. Its totient is φ = 70389360.

The previous prime is 79579469. The next prime is 79579501. The reversal of 79579489 is 98497597.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 79579489 - 2⁵ = 79579457 is a prime.

It is a super-2 number, since 2×79579489² = 12665790139002242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79579469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97357 + ... + 98170.

It is an arithmetic number, because the mean of its divisors is an integer number (11145096).

Almost surely, 2^79579489 is an apocalyptic number.

It is an amenable number.

79579489 is a deficient number, since it is larger than the sum of its proper divisors (9581279).

79579489 is a wasteful number, since it uses less digits than its factorization.

79579489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195575.

The product of its digits is 5715360, while the sum is 58.

The square root of 79579489 is about 8920.7336581696. The cubic root of 79579489 is about 430.1306417541.

The spelling of 79579489 in words is "seventy-nine million, five hundred seventy-nine thousand, four hundred eighty-nine".