85891386 has 32 divisors (see below), whose sum is σ = 197474688. Its totient is φ = 24396480.

The previous prime is 85891357. The next prime is 85891411. The reversal of 85891386 is 68319858.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1356 + ... + 13176.

It is an arithmetic number, because the mean of its divisors is an integer number (6171084).

Almost surely, 2^85891386 is an apocalyptic number.

85891386 is an abundant number, since it is smaller than the sum of its proper divisors (111583302).

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

85891386 is a wasteful number, since it uses less digits than its factorization.

85891386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12006.

The product of its digits is 414720, while the sum is 48.

The square root of 85891386 is about 9267.7605709254. The cubic root of 85891386 is about 441.2145951953.

The spelling of 85891386 in words is "eighty-five million, eight hundred ninety-one thousand, three hundred eighty-six".