85840888 has 64 divisors (see below), whose sum is σ = 200111040. Its totient is φ = 33675264.

The previous prime is 85840883. The next prime is 85840889. The reversal of 85840888 is 88804858.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85840883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34006 + ... + 36442.

It is an arithmetic number, because the mean of its divisors is an integer number (3126735).

Almost surely, 2^85840888 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 85840888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100055520).

85840888 is an abundant number, since it is smaller than the sum of its proper divisors (114270152).

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

85840888 is a wasteful number, since it uses less digits than its factorization.

85840888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504 (or 2500 counting only the distinct ones).

The product of its (nonzero) digits is 655360, while the sum is 49.

The square root of 85840888 is about 9265.0357797474. The cubic root of 85840888 is about 441.1281106884.

The spelling of 85840888 in words is "eighty-five million, eight hundred forty thousand, eight hundred eighty-eight".