85840788 has 36 divisors (see below), whose sum is σ = 220162880. Its totient is φ = 26011920.

The previous prime is 85840787. The next prime is 85840793. The reversal of 85840788 is 88704858.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85840787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28108 + ... + 31011.

Almost surely, 2^85840788 is an apocalyptic number.

It is an amenable number.

85840788 is an abundant number, since it is smaller than the sum of its proper divisors (134322092).

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

85840788 is a wasteful number, since it uses less digits than its factorization.

85840788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59148 (or 59135 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 48.

The square root of 85840788 is about 9265.0303831126. The cubic root of 85840788 is about 441.1279393915.

The spelling of 85840788 in words is "eighty-five million, eight hundred forty thousand, seven hundred eighty-eight".