79000489 has 2 divisors, whose sum is σ = 79000490. Its totient is φ = 79000488.

The previous prime is 79000433. The next prime is 79000501. The reversal of 79000489 is 98400097.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62678889 + 16321600 = 7917^2 + 4040^2 .

It is a cyclic number.

It is not a de Polignac number, because 79000489 - 2²⁵ = 45446057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79000409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39500244 + 39500245.

It is an arithmetic number, because the mean of its divisors is an integer number (39500245).

Almost surely, 2^79000489 is an apocalyptic number.

It is an amenable number.

79000489 is a deficient number, since it is larger than the sum of its proper divisors (1).

79000489 is an equidigital number, since it uses as much as digits as its factorization.

79000489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 79000489 is about 8888.2219256722. The cubic root of 79000489 is about 429.0849280261.

The spelling of 79000489 in words is "seventy-nine million, four hundred eighty-nine", and thus it is an aban number.