860000666827 has 4 divisors (see below), whose sum is σ = 860012982720. Its totient is φ = 859988350936.

The previous prime is 860000666761. The next prime is 860000666951. The reversal of 860000666827 is 728666000068.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 860000666827 - 2²³ = 859992278219 is a prime.

It is a super-2 number, since 2×860000666827² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (860000664827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6052603 + ... + 6193060.

It is an arithmetic number, because the mean of its divisors is an integer number (215003245680).

Almost surely, 2^860000666827 is an apocalyptic number.

860000666827 is a deficient number, since it is larger than the sum of its proper divisors (12315893).

860000666827 is a wasteful number, since it uses less digits than its factorization.

860000666827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12315892.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 860000666827 in words is "eight hundred sixty billion, six hundred sixty-six thousand, eight hundred twenty-seven".