971863379 has 2 divisors, whose sum is σ = 971863380. Its totient is φ = 971863378.

The previous prime is 971863337. The next prime is 971863411. The reversal of 971863379 is 973368179.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-971863379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 971863379.

It is not a weakly prime, because it can be changed into another prime (971863579) 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, 485931689 + 485931690.

It is an arithmetic number, because the mean of its divisors is an integer number (485931690).

Almost surely, 2^971863379 is an apocalyptic number.

971863379 is a deficient number, since it is larger than the sum of its proper divisors (1).

971863379 is an equidigital number, since it uses as much as digits as its factorization.

971863379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1714608, while the sum is 53.

The square root of 971863379 is about 31174.7233989333. The cubic root of 971863379 is about 990.5317617322.

The spelling of 971863379 in words is "nine hundred seventy-one million, eight hundred sixty-three thousand, three hundred seventy-nine".