867971942 has 16 divisors (see below), whose sum is σ = 1334743872. Its totient is φ = 423095400.

The previous prime is 867971917. The next prime is 867971957. The reversal of 867971942 is 249179768.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37817 + ... + 56267.

It is an arithmetic number, because the mean of its divisors is an integer number (83421492).

Almost surely, 2^867971942 is an apocalyptic number.

867971942 is a deficient number, since it is larger than the sum of its proper divisors (466771930).

867971942 is a wasteful number, since it uses less digits than its factorization.

867971942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19043.

The product of its digits is 1524096, while the sum is 53.

The square root of 867971942 is about 29461.3635461769. The cubic root of 867971942 is about 953.8979061167.

The spelling of 867971942 in words is "eight hundred sixty-seven million, nine hundred seventy-one thousand, nine hundred forty-two".