85718250 has 192 divisors, whose sum is σ = 257572224. Its totient is φ = 21254400.

The previous prime is 85718203. The next prime is 85718273. The reversal of 85718250 is 5281758.

85718250 is a `hidden beast` number, since 8 + 571 + 82 + 5 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1032709 + ... + 1032791.

It is an arithmetic number, because the mean of its divisors is an integer number (1341522).

Almost surely, 2^85718250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85718250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128786112).

85718250 is an abundant number, since it is smaller than the sum of its proper divisors (171853974).

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

85718250 is a wasteful number, since it uses less digits than its factorization.

85718250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 85718250 is about 9258.4150911482. The cubic root of 85718250 is about 440.9179355836.

The spelling of 85718250 in words is "eighty-five million, seven hundred eighteen thousand, two hundred fifty".