79295080121 has 2 divisors, whose sum is σ = 79295080122. Its totient is φ = 79295080120.

The previous prime is 79295080097. The next prime is 79295080147. The reversal of 79295080121 is 12108059297.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52681725625 + 26613354496 = 229525^2 + 163136^2 .

It is a cyclic number.

It is not a de Polignac number, because 79295080121 - 2¹⁴ = 79295063737 is a prime.

It is not a weakly prime, because it can be changed into another prime (79295082121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39647540060 + 39647540061.

It is an arithmetic number, because the mean of its divisors is an integer number (39647540061).

Almost surely, 2^79295080121 is an apocalyptic number.

It is an amenable number.

79295080121 is a deficient number, since it is larger than the sum of its proper divisors (1).

79295080121 is an equidigital number, since it uses as much as digits as its factorization.

79295080121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 44.

The spelling of 79295080121 in words is "seventy-nine billion, two hundred ninety-five million, eighty thousand, one hundred twenty-one".