85891886 has 16 divisors (see below), whose sum is σ = 134604288. Its totient is φ = 41057400.

The previous prime is 85891879. The next prime is 85891901. The reversal of 85891886 is 68819858.

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, 3200 + ... + 13491.

It is an arithmetic number, because the mean of its divisors is an integer number (8412768).

Almost surely, 2^85891886 is an apocalyptic number.

85891886 is a deficient number, since it is larger than the sum of its proper divisors (48712402).

85891886 is a wasteful number, since it uses less digits than its factorization.

85891886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16807.

The product of its digits is 1105920, while the sum is 53.

The square root of 85891886 is about 9267.7875461191. The cubic root of 85891886 is about 441.2154513419.

The spelling of 85891886 in words is "eighty-five million, eight hundred ninety-one thousand, eight hundred eighty-six".