85299804 has 72 divisors (see below), whose sum is σ = 225691648. Its totient is φ = 28168560.

The previous prime is 85299791. The next prime is 85299821. The reversal of 85299804 is 40899258.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 85299804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123099 + ... + 123789.

Almost surely, 2^85299804 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 85299804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112845824).

85299804 is an abundant number, since it is smaller than the sum of its proper divisors (140391844).

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

85299804 is a wasteful number, since it uses less digits than its factorization.

85299804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 85299804 is about 9235.7893003251. The cubic root of 85299804 is about 440.1992967678.

The spelling of 85299804 in words is "eighty-five million, two hundred ninety-nine thousand, eight hundred four".