79089337 has 2 divisors, whose sum is σ = 79089338. Its totient is φ = 79089336.

The previous prime is 79089319. The next prime is 79089379. The reversal of 79089337 is 73398097.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47941776 + 31147561 = 6924^2 + 5581^2 .

It is an emirp because it is prime and its reverse (73398097) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79089337 - 2⁷ = 79089209 is a prime.

It is not a weakly prime, because it can be changed into another prime (79089397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39544668 + 39544669.

It is an arithmetic number, because the mean of its divisors is an integer number (39544669).

Almost surely, 2^79089337 is an apocalyptic number.

It is an amenable number.

79089337 is a deficient number, since it is larger than the sum of its proper divisors (1).

79089337 is an equidigital number, since it uses as much as digits as its factorization.

79089337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 79089337 is about 8893.2185962114. The cubic root of 79089337 is about 429.2457247303.

The spelling of 79089337 in words is "seventy-nine million, eighty-nine thousand, three hundred thirty-seven".