79063157 has 2 divisors, whose sum is σ = 79063158. Its totient is φ = 79063156.

The previous prime is 79063139. The next prime is 79063169. The reversal of 79063157 is 75136097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75933796 + 3129361 = 8714^2 + 1769^2 .

It is a cyclic number.

It is not a de Polignac number, because 79063157 - 2¹⁶ = 78997621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79063157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79063357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39531578 + 39531579.

It is an arithmetic number, because the mean of its divisors is an integer number (39531579).

Almost surely, 2^79063157 is an apocalyptic number.

It is an amenable number.

79063157 is a deficient number, since it is larger than the sum of its proper divisors (1).

79063157 is an equidigital number, since it uses as much as digits as its factorization.

79063157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 79063157 is about 8891.7465663389. The cubic root of 79063157 is about 429.1983568057.

The spelling of 79063157 in words is "seventy-nine million, sixty-three thousand, one hundred fifty-seven".