85291116 has 12 divisors (see below), whose sum is σ = 199012632. Its totient is φ = 28430368.

The previous prime is 85291109. The next prime is 85291121. The reversal of 85291116 is 61119258.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3553785 + ... + 3553808.

It is an arithmetic number, because the mean of its divisors is an integer number (16584386).

Almost surely, 2^85291116 is an apocalyptic number.

It is an amenable number.

85291116 is an abundant number, since it is smaller than the sum of its proper divisors (113721516).

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

85291116 is a wasteful number, since it uses less digits than its factorization.

85291116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7107600 (or 7107598 counting only the distinct ones).

The product of its digits is 4320, while the sum is 33.

The square root of 85291116 is about 9235.3189441405. The cubic root of 85291116 is about 440.1843511245.

The spelling of 85291116 in words is "eighty-five million, two hundred ninety-one thousand, one hundred sixteen".