85586566808 has 8 divisors (see below), whose sum is σ = 160474812780. Its totient is φ = 42793283400.

The previous prime is 85586566781. The next prime is 85586566837. The reversal of 85586566808 is 80866568558.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-4 number, since 4×85586566808⁴ (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5349160418 + ... + 5349160433.

Almost surely, 2^85586566808 is an apocalyptic number.

It is an amenable number.

85586566808 is a deficient number, since it is larger than the sum of its proper divisors (74888245972).

85586566808 is a wasteful number, since it uses less digits than its factorization.

85586566808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10698320857 (or 10698320853 counting only the distinct ones).

The product of its (nonzero) digits is 110592000, while the sum is 65.

The spelling of 85586566808 in words is "eighty-five billion, five hundred eighty-six million, five hundred sixty-six thousand, eight hundred eight".