85251708 has 72 divisors (see below), whose sum is σ = 236745600. Its totient is φ = 25746336.

The previous prime is 85251701. The next prime is 85251721. The reversal of 85251708 is 80715258.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85251701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13023 + ... + 18441.

Almost surely, 2^85251708 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 85251708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118372800).

85251708 is an abundant number, since it is smaller than the sum of its proper divisors (151493892).

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

85251708 is a wasteful number, since it uses less digits than its factorization.

85251708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5471 (or 5466 counting only the distinct ones).

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

The square root of 85251708 is about 9233.1851492321. The cubic root of 85251708 is about 440.1165462617.

The spelling of 85251708 in words is "eighty-five million, two hundred fifty-one thousand, seven hundred eight".