83885913971 has 2 divisors, whose sum is σ = 83885913972. Its totient is φ = 83885913970.

The previous prime is 83885913907. The next prime is 83885914039. The reversal of 83885913971 is 17931958838.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83885913971 - 2⁶ = 83885913907 is a prime.

It is not a weakly prime, because it can be changed into another prime (83885913071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41942956985 + 41942956986.

It is an arithmetic number, because the mean of its divisors is an integer number (41942956986).

Almost surely, 2^83885913971 is an apocalyptic number.

83885913971 is a deficient number, since it is larger than the sum of its proper divisors (1).

83885913971 is an equidigital number, since it uses as much as digits as its factorization.

83885913971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13063680, while the sum is 62.

The spelling of 83885913971 in words is "eighty-three billion, eight hundred eighty-five million, nine hundred thirteen thousand, nine hundred seventy-one".