79000289 has 2 divisors, whose sum is σ = 79000290. Its totient is φ = 79000288.

The previous prime is 79000283. The next prime is 79000319. The reversal of 79000289 is 98200097.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74304400 + 4695889 = 8620^2 + 2167^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79000289 is a prime.

It is not a weakly prime, because it can be changed into another prime (79000283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39500144 + 39500145.

It is an arithmetic number, because the mean of its divisors is an integer number (39500145).

Almost surely, 2^79000289 is an apocalyptic number.

It is an amenable number.

79000289 is a deficient number, since it is larger than the sum of its proper divisors (1).

79000289 is an equidigital number, since it uses as much as digits as its factorization.

79000289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 79000289 is about 8888.2106748209. The cubic root of 79000289 is about 429.0845659310.

The spelling of 79000289 in words is "seventy-nine million, two hundred eighty-nine", and thus it is an aban number.