85986782 has 32 divisors (see below), whose sum is σ = 159418368. Its totient is φ = 33941376.

The previous prime is 85986781. The next prime is 85986809. The reversal of 85986782 is 28768958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85986781) 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, 7343 + ... + 15029.

It is an arithmetic number, because the mean of its divisors is an integer number (4981824).

Almost surely, 2^85986782 is an apocalyptic number.

85986782 is a deficient number, since it is larger than the sum of its proper divisors (73431586).

85986782 is a wasteful number, since it uses less digits than its factorization.

85986782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7760.

The product of its digits is 1935360, while the sum is 53.

The square root of 85986782 is about 9272.9058013117. The cubic root of 85986782 is about 441.3778810089.

It can be divided in two parts, 85986 and 782, that added together give a palindrome (86768).

The spelling of 85986782 in words is "eighty-five million, nine hundred eighty-six thousand, seven hundred eighty-two".