971913079 has 2 divisors, whose sum is σ = 971913080. Its totient is φ = 971913078.

The previous prime is 971913073. The next prime is 971913101. The reversal of 971913079 is 970319179.

It is a weak prime.

It is an emirp because it is prime and its reverse (970319179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 971913079 - 2⁷ = 971912951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (971913073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485956539 + 485956540.

It is an arithmetic number, because the mean of its divisors is an integer number (485956540).

Almost surely, 2^971913079 is an apocalyptic number.

971913079 is a deficient number, since it is larger than the sum of its proper divisors (1).

971913079 is an equidigital number, since it uses as much as digits as its factorization.

971913079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107163, while the sum is 46.

The square root of 971913079 is about 31175.5205088865. The cubic root of 971913079 is about 990.5486463377.

The spelling of 971913079 in words is "nine hundred seventy-one million, nine hundred thirteen thousand, seventy-nine".