85444186680 has 48 divisors (see below), whose sum is σ = 277693607880. Its totient is φ = 22785116352.

The previous prime is 85444186637. The next prime is 85444186699. The reversal of 85444186680 is 8668144458.

It is a happy number.

85444186680 is a `hidden beast` number, since 8 + 544 + 4 + 18 + 6 + 6 + 80 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118672122 + ... + 118672841.

Almost surely, 2^85444186680 is an apocalyptic number.

It is an amenable number.

85444186680 is an abundant number, since it is smaller than the sum of its proper divisors (192249421200).

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

85444186680 is a wasteful number, since it uses less digits than its factorization.

85444186680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237344980 (or 237344973 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 54.

The spelling of 85444186680 in words is "eighty-five billion, four hundred forty-four million, one hundred eighty-six thousand, six hundred eighty".