79366171 has 2 divisors, whose sum is σ = 79366172. Its totient is φ = 79366170.

The previous prime is 79366159. The next prime is 79366193. The reversal of 79366171 is 17166397.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (17166397) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79366171 - 2⁵ = 79366139 is a prime.

It is not a weakly prime, because it can be changed into another prime (79366141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39683085 + 39683086.

It is an arithmetic number, because the mean of its divisors is an integer number (39683086).

Almost surely, 2^79366171 is an apocalyptic number.

79366171 is a deficient number, since it is larger than the sum of its proper divisors (1).

79366171 is an equidigital number, since it uses as much as digits as its factorization.

79366171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 40.

The square root of 79366171 is about 8908.7693313948. The cubic root of 79366171 is about 429.7459667730.

The spelling of 79366171 in words is "seventy-nine million, three hundred sixty-six thousand, one hundred seventy-one".