971979079 has 2 divisors, whose sum is σ = 971979080. Its totient is φ = 971979078.

The previous prime is 971979061. The next prime is 971979101. The reversal of 971979079 is 970979179.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 971979079 - 2⁷ = 971978951 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (971979049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485989539 + 485989540.

It is an arithmetic number, because the mean of its divisors is an integer number (485989540).

Almost surely, 2^971979079 is an apocalyptic number.

971979079 is a deficient number, since it is larger than the sum of its proper divisors (1).

971979079 is an equidigital number, since it uses as much as digits as its factorization.

971979079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250423, while the sum is 58.

The square root of 971979079 is about 31176.5790137404. The cubic root of 971979079 is about 990.5710676606.

It can be divided in two parts, 97197 and 9079, that added together give a square (106276 = 326²).

The spelling of 971979079 in words is "nine hundred seventy-one million, nine hundred seventy-nine thousand, seventy-nine".