85866008768 has 28 divisors (see below), whose sum is σ = 173183653632. Its totient is φ = 42229182720.

The previous prime is 85866008759. The next prime is 85866008771. The reversal of 85866008768 is 86780066858.

It is a self number, because there is not a number n which added to its sum of digits gives 85866008768.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10993280 + ... + 11001087.

Almost surely, 2^85866008768 is an apocalyptic number.

It is an amenable number.

85866008768 is an abundant number, since it is smaller than the sum of its proper divisors (87317644864).

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

85866008768 is a wasteful number, since it uses less digits than its factorization.

85866008768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21994440 (or 21994430 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 62.

The spelling of 85866008768 in words is "eighty-five billion, eight hundred sixty-six million, eight thousand, seven hundred sixty-eight".