79116143 has 2 divisors, whose sum is σ = 79116144. Its totient is φ = 79116142.

The previous prime is 79116077. The next prime is 79116151. The reversal of 79116143 is 34161197.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79116143 - 2⁸ = 79115887 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79116043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39558071 + 39558072.

It is an arithmetic number, because the mean of its divisors is an integer number (39558072).

Almost surely, 2^79116143 is an apocalyptic number.

79116143 is a deficient number, since it is larger than the sum of its proper divisors (1).

79116143 is an equidigital number, since it uses as much as digits as its factorization.

79116143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

The square root of 79116143 is about 8894.7255719331. The cubic root of 79116143 is about 429.2942144577.

The spelling of 79116143 in words is "seventy-nine million, one hundred sixteen thousand, one hundred forty-three".