79310071 has 2 divisors, whose sum is σ = 79310072. Its totient is φ = 79310070.

The previous prime is 79310051. The next prime is 79310081. The reversal of 79310071 is 17001397.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79310071 - 2⁵ = 79310039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79310051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39655035 + 39655036.

It is an arithmetic number, because the mean of its divisors is an integer number (39655036).

Almost surely, 2^79310071 is an apocalyptic number.

79310071 is a deficient number, since it is larger than the sum of its proper divisors (1).

79310071 is an equidigital number, since it uses as much as digits as its factorization.

79310071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1323, while the sum is 28.

The square root of 79310071 is about 8905.6201917665. The cubic root of 79310071 is about 429.6446875542.

The spelling of 79310071 in words is "seventy-nine million, three hundred ten thousand, seventy-one".