85697080 has 96 divisors (see below), whose sum is σ = 234174240. Its totient is φ = 28089600.

The previous prime is 85697063. The next prime is 85697141. The reversal of 85697080 is 8079658.

It is a happy number.

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, 44130 + ... + 46030.

It is an arithmetic number, because the mean of its divisors is an integer number (2439315).

Almost surely, 2^85697080 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 85697080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117087120).

85697080 is an abundant number, since it is smaller than the sum of its proper divisors (148477160).

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

85697080 is a wasteful number, since it uses less digits than its factorization.

85697080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949 (or 1938 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 85697080 is about 9257.2717363163. The cubic root of 85697080 is about 440.8816344800.

The spelling of 85697080 in words is "eighty-five million, six hundred ninety-seven thousand, eighty".