85813775886 has 8 divisors (see below), whose sum is σ = 171627551784. Its totient is φ = 28604591960.

The previous prime is 85813775867. The next prime is 85813775939. The reversal of 85813775886 is 68857731858.

It is a sphenic number, since it is the product of 3 distinct primes.

85813775886 is an admirable number.

It is a congruent number.

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, 7151147985 + ... + 7151147996.

It is an arithmetic number, because the mean of its divisors is an integer number (21453443973).

Almost surely, 2^85813775886 is an apocalyptic number.

85813775886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

85813775886 is a wasteful number, since it uses less digits than its factorization.

85813775886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14302295986.

The product of its digits is 90316800, while the sum is 66.

The spelling of 85813775886 in words is "eighty-five billion, eight hundred thirteen million, seven hundred seventy-five thousand, eight hundred eighty-six".