79641097 has 2 divisors, whose sum is σ = 79641098. Its totient is φ = 79641096.

The previous prime is 79641061. The next prime is 79641127. The reversal of 79641097 is 79014697.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68492176 + 11148921 = 8276^2 + 3339^2 .

It is a cyclic number.

It is not a de Polignac number, because 79641097 - 2⁷ = 79640969 is a prime.

It is not a weakly prime, because it can be changed into another prime (79641007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39820548 + 39820549.

It is an arithmetic number, because the mean of its divisors is an integer number (39820549).

Almost surely, 2^79641097 is an apocalyptic number.

It is an amenable number.

79641097 is a deficient number, since it is larger than the sum of its proper divisors (1).

79641097 is an equidigital number, since it uses as much as digits as its factorization.

79641097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 79641097 is about 8924.1860693287. The cubic root of 79641097 is about 430.2416111068.

The spelling of 79641097 in words is "seventy-nine million, six hundred forty-one thousand, ninety-seven".