79140059 has 2 divisors, whose sum is σ = 79140060. Its totient is φ = 79140058.

The previous prime is 79140023. The next prime is 79140091. The reversal of 79140059 is 95004197.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79140059 is a prime.

It is not a weakly prime, because it can be changed into another prime (79148059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39570029 + 39570030.

It is an arithmetic number, because the mean of its divisors is an integer number (39570030).

Almost surely, 2^79140059 is an apocalyptic number.

79140059 is a deficient number, since it is larger than the sum of its proper divisors (1).

79140059 is an equidigital number, since it uses as much as digits as its factorization.

79140059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 79140059 is about 8896.0698625854. The cubic root of 79140059 is about 429.3374671816.

The spelling of 79140059 in words is "seventy-nine million, one hundred forty thousand, fifty-nine".