79814589 has 4 divisors (see below), whose sum is σ = 106419456. Its totient is φ = 53209724.

The previous prime is 79814563. The next prime is 79814627. The reversal of 79814589 is 98541897.

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.

It is a cyclic number.

It is not a de Polignac number, because 79814589 - 2¹⁶ = 79749053 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79814549) 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, 13302429 + ... + 13302434.

It is an arithmetic number, because the mean of its divisors is an integer number (26604864).

Almost surely, 2^79814589 is an apocalyptic number.

It is an amenable number.

79814589 is a deficient number, since it is larger than the sum of its proper divisors (26604867).

79814589 is a wasteful number, since it uses less digits than its factorization.

79814589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26604866.

The product of its digits is 725760, while the sum is 51.

The square root of 79814589 is about 8933.9011075789. The cubic root of 79814589 is about 430.5538006012.

The spelling of 79814589 in words is "seventy-nine million, eight hundred fourteen thousand, five hundred eighty-nine".