85012092 has 72 divisors (see below), whose sum is σ = 243140352. Its totient is φ = 25758000.

The previous prime is 85012033. The next prime is 85012127. The reversal of 85012092 is 29021058.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6717 + ... + 14667.

Almost surely, 2^85012092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85012092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121570176).

85012092 is an abundant number, since it is smaller than the sum of its proper divisors (158128260).

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

85012092 is a wasteful number, since it uses less digits than its factorization.

85012092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7981 (or 7967 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 85012092 is about 9220.2002147459. The cubic root of 85012092 is about 439.7038158211.

The spelling of 85012092 in words is "eighty-five million, twelve thousand, ninety-two".