85901090 has 64 divisors (see below), whose sum is σ = 185379840. Its totient is φ = 28290240.

The previous prime is 85901083. The next prime is 85901107. The reversal of 85901090 is 9010958.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47177 + ... + 48963.

It is an arithmetic number, because the mean of its divisors is an integer number (2896560).

Almost surely, 2^85901090 is an apocalyptic number.

85901090 is an abundant number, since it is smaller than the sum of its proper divisors (99478750).

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

85901090 is a wasteful number, since it uses less digits than its factorization.

85901090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 85901090 is about 9268.2840914594. The cubic root of 85901090 is about 441.2312106962.

The spelling of 85901090 in words is "eighty-five million, nine hundred one thousand, ninety".