3957871823 has 2 divisors, whose sum is σ = 3957871824. Its totient is φ = 3957871822.

The previous prime is 3957871789. The next prime is 3957871829. The reversal of 3957871823 is 3281787593.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3957871823 - 2¹⁶ = 3957806287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3957871829) 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, 1978935911 + 1978935912.

It is an arithmetic number, because the mean of its divisors is an integer number (1978935912).

Almost surely, 2^3957871823 is an apocalyptic number.

3957871823 is a deficient number, since it is larger than the sum of its proper divisors (1).

3957871823 is an equidigital number, since it uses as much as digits as its factorization.

3957871823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 53.

The square root of 3957871823 is about 62911.6191414591. The cubic root of 3957871823 is about 1581.8085127756.

The spelling of 3957871823 in words is "three billion, nine hundred fifty-seven million, eight hundred seventy-one thousand, eight hundred twenty-three".