79411961 has 2 divisors, whose sum is σ = 79411962. Its totient is φ = 79411960.

The previous prime is 79411919. The next prime is 79412023. The reversal of 79411961 is 16911497.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45306361 + 34105600 = 6731^2 + 5840^2 .

It is a cyclic number.

It is not a de Polignac number, because 79411961 - 2⁶ = 79411897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79411901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39705980 + 39705981.

It is an arithmetic number, because the mean of its divisors is an integer number (39705981).

Almost surely, 2^79411961 is an apocalyptic number.

It is an amenable number.

79411961 is a deficient number, since it is larger than the sum of its proper divisors (1).

79411961 is an equidigital number, since it uses as much as digits as its factorization.

79411961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 38.

The square root of 79411961 is about 8911.3389005244. The cubic root of 79411961 is about 429.8285976319.

The spelling of 79411961 in words is "seventy-nine million, four hundred eleven thousand, nine hundred sixty-one".