859985006667 has 16 divisors (see below), whose sum is σ = 1158701016480. Its totient is φ = 567298547712.

The previous prime is 859985006623. The next prime is 859985006669. The reversal of 859985006667 is 766600589958.

It is not a de Polignac number, because 859985006667 - 2⁷ = 859985006539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (859985006669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1162623 + ... + 1752615.

It is an arithmetic number, because the mean of its divisors is an integer number (72418813530).

Almost surely, 2^859985006667 is an apocalyptic number.

859985006667 is a deficient number, since it is larger than the sum of its proper divisors (298716009813).

859985006667 is a wasteful number, since it uses less digits than its factorization.

859985006667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595102.

The product of its (nonzero) digits is 195955200, while the sum is 69.

The spelling of 859985006667 in words is "eight hundred fifty-nine billion, nine hundred eighty-five million, six thousand, six hundred sixty-seven".