85187922 has 32 divisors (see below), whose sum is σ = 173238912. Its totient is φ = 27922944.

The previous prime is 85187911. The next prime is 85187939. The reversal of 85187922 is 22978158.

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, 114283 + ... + 115025.

It is an arithmetic number, because the mean of its divisors is an integer number (5413716).

Almost surely, 2^85187922 is an apocalyptic number.

85187922 is an abundant number, since it is smaller than the sum of its proper divisors (88050990).

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

85187922 is a wasteful number, since it uses less digits than its factorization.

85187922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042.

The product of its digits is 80640, while the sum is 42.

The square root of 85187922 is about 9229.7303319219. The cubic root of 85187922 is about 440.0067526512.

The spelling of 85187922 in words is "eighty-five million, one hundred eighty-seven thousand, nine hundred twenty-two".