85802500 has 60 divisors (see below), whose sum is σ = 214481344. Its totient is φ = 29412000.

The previous prime is 85802477. The next prime is 85802531. The reversal of 85802500 is 520858.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15049 + ... + 19951.

Almost surely, 2^85802500 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 85802500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107240672).

85802500 is an abundant number, since it is smaller than the sum of its proper divisors (128678844).

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

85802500 is a wasteful number, since it uses less digits than its factorization.

85802500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4934 (or 4917 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 85802500 is about 9262.9638885186. The cubic root of 85802500 is about 441.0623434640.

The spelling of 85802500 in words is "eighty-five million, eight hundred two thousand, five hundred".