85990886 has 16 divisors (see below), whose sum is σ = 132723360. Its totient is φ = 41754240.

The previous prime is 85990847. The next prime is 85990897. The reversal of 85990886 is 68809958.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64535 + ... + 65853.

It is an arithmetic number, because the mean of its divisors is an integer number (8295210).

Almost surely, 2^85990886 is an apocalyptic number.

85990886 is a deficient number, since it is larger than the sum of its proper divisors (46732474).

85990886 is a wasteful number, since it uses less digits than its factorization.

85990886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239.

The product of its (nonzero) digits is 1244160, while the sum is 53.

The square root of 85990886 is about 9273.1270885284. The cubic root of 85990886 is about 441.3849029642.

The spelling of 85990886 in words is "eighty-five million, nine hundred ninety thousand, eight hundred eighty-six".