79102211017 has 2 divisors, whose sum is σ = 79102211018. Its totient is φ = 79102211016.

The previous prime is 79102211011. The next prime is 79102211033. The reversal of 79102211017 is 71011220197.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67033870281 + 12068340736 = 258909^2 + 109856^2 .

It is a cyclic number.

It is not a de Polignac number, because 79102211017 - 2³ = 79102211009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79102211017.

It is not a weakly prime, because it can be changed into another prime (79102211011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39551105508 + 39551105509.

It is an arithmetic number, because the mean of its divisors is an integer number (39551105509).

Almost surely, 2^79102211017 is an apocalyptic number.

It is an amenable number.

79102211017 is a deficient number, since it is larger than the sum of its proper divisors (1).

79102211017 is an equidigital number, since it uses as much as digits as its factorization.

79102211017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 31.

The spelling of 79102211017 in words is "seventy-nine billion, one hundred two million, two hundred eleven thousand, seventeen".