85719216 has 80 divisors (see below), whose sum is σ = 249412608. Its totient is φ = 25132800.

The previous prime is 85719209. The next prime is 85719239. The reversal of 85719216 is 61291758.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13750 + ... + 18986.

Almost surely, 2^85719216 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 85719216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124706304).

85719216 is an abundant number, since it is smaller than the sum of its proper divisors (163693392).

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

85719216 is a wasteful number, since it uses less digits than its factorization.

85719216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290 (or 5284 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 85719216 is about 9258.4672597574. The cubic root of 85719216 is about 440.9195918825.

The spelling of 85719216 in words is "eighty-five million, seven hundred nineteen thousand, two hundred sixteen".