79365017 has 2 divisors, whose sum is σ = 79365018. Its totient is φ = 79365016.

The previous prime is 79364983. The next prime is 79365029. The reversal of 79365017 is 71056397.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70744921 + 8620096 = 8411^2 + 2936^2 .

It is an emirp because it is prime and its reverse (71056397) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79365017 - 2¹² = 79360921 is a prime.

It is not a weakly prime, because it can be changed into another prime (79365047) 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 as a sum of consecutive naturals, namely, 39682508 + 39682509.

It is an arithmetic number, because the mean of its divisors is an integer number (39682509).

Almost surely, 2^79365017 is an apocalyptic number.

It is an amenable number.

79365017 is a deficient number, since it is larger than the sum of its proper divisors (1).

79365017 is an equidigital number, since it uses as much as digits as its factorization.

79365017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 79365017 is about 8908.7045635154. The cubic root of 79365017 is about 429.7438838988.

The spelling of 79365017 in words is "seventy-nine million, three hundred sixty-five thousand, seventeen".