859493783916 has 24 divisors (see below), whose sum is σ = 2228317217840. Its totient is φ = 286497927936.

The previous prime is 859493783887. The next prime is 859493783921. The reversal of 859493783916 is 619387394958.

859493783916 is a `hidden beast` number, since 8 + 59 + 493 + 7 + 83 + 9 + 1 + 6 = 666.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3979137781 + ... + 3979137996.

Almost surely, 2^859493783916 is an apocalyptic number.

It is an amenable number.

859493783916 is an abundant number, since it is smaller than the sum of its proper divisors (1368823433924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

859493783916 is a wasteful number, since it uses less digits than its factorization.

859493783916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7958275790 (or 7958275782 counting only the distinct ones).

The product of its digits is 352719360, while the sum is 72.

The spelling of 859493783916 in words is "eight hundred fifty-nine billion, four hundred ninety-three million, seven hundred eighty-three thousand, nine hundred sixteen".