85020894 has 64 divisors (see below), whose sum is σ = 221798400. Its totient is φ = 23631264.

The previous prime is 85020853. The next prime is 85020907. The reversal of 85020894 is 49802058.

It is a congruent number.

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, 10947 + ... + 17025.

It is an arithmetic number, because the mean of its divisors is an integer number (3465600).

Almost surely, 2^85020894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85020894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110899200).

85020894 is an abundant number, since it is smaller than the sum of its proper divisors (136777506).

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

85020894 is a wasteful number, since it uses less digits than its factorization.

85020894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6134 (or 6128 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 85020894 is about 9220.6775239133. The cubic root of 85020894 is about 439.7189906797.

The spelling of 85020894 in words is "eighty-five million, twenty thousand, eight hundred ninety-four".