85840782 has 16 divisors (see below), whose sum is σ = 172820352. Its totient is φ = 28423800.

The previous prime is 85840751. The next prime is 85840787. The reversal of 85840782 is 28704858.

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 7 ways as a sum of consecutive naturals, for example, 46468 + ... + 48279.

It is an arithmetic number, because the mean of its divisors is an integer number (10801272).

Almost surely, 2^85840782 is an apocalyptic number.

85840782 is an abundant number, since it is smaller than the sum of its proper divisors (86979570).

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

85840782 is a wasteful number, since it uses less digits than its factorization.

85840782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94903.

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 85840782 is about 9265.0300593144. The cubic root of 85840782 is about 441.1279291137.

The spelling of 85840782 in words is "eighty-five million, eight hundred forty thousand, seven hundred eighty-two".