85091084 has 12 divisors (see below), whose sum is σ = 160364064. Its totient is φ = 39272784.

The previous prime is 85091077. The next prime is 85091089. The reversal of 85091084 is 48019058.

It is not an unprimeable number, because it can be changed into a prime (85091089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 818132 + ... + 818235.

It is an arithmetic number, because the mean of its divisors is an integer number (13363672).

Almost surely, 2^85091084 is an apocalyptic number.

It is an amenable number.

85091084 is a deficient number, since it is larger than the sum of its proper divisors (75272980).

85091084 is a wasteful number, since it uses less digits than its factorization.

85091084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636384 (or 1636382 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 85091084 is about 9224.4828581336. The cubic root of 85091084 is about 439.8399624591.

The spelling of 85091084 in words is "eighty-five million, ninety-one thousand, eighty-four".