859090886643 has 12 divisors (see below), whose sum is σ = 1259053310984. Its totient is φ = 520661143200.

The previous prime is 859090886639. The next prime is 859090886669. The reversal of 859090886643 is 346688090958.

It is not a de Polignac number, because 859090886643 - 2² = 859090886639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (859090886743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1183320418 + ... + 1183321143.

Almost surely, 2^859090886643 is an apocalyptic number.

859090886643 is a deficient number, since it is larger than the sum of its proper divisors (399962424341).

859090886643 is a wasteful number, since it uses less digits than its factorization.

859090886643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366641586 (or 2366641575 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 66.

The spelling of 859090886643 in words is "eight hundred fifty-nine billion, ninety million, eight hundred eighty-six thousand, six hundred forty-three".