85157886 has 64 divisors (see below), whose sum is σ = 199065600. Its totient is φ = 24012000.

The previous prime is 85157881. The next prime is 85157911. The reversal of 85157886 is 68875158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85157881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73411 + ... + 74561.

It is an arithmetic number, because the mean of its divisors is an integer number (3110400).

Almost surely, 2^85157886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85157886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99532800).

85157886 is an abundant number, since it is smaller than the sum of its proper divisors (113907714).

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

85157886 is a wasteful number, since it uses less digits than its factorization.

85157886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245.

The product of its digits is 537600, while the sum is 48.

The square root of 85157886 is about 9228.1030553413. The cubic root of 85157886 is about 439.9550332835.

The spelling of 85157886 in words is "eighty-five million, one hundred fifty-seven thousand, eight hundred eighty-six".