85622706 has 48 divisors (see below), whose sum is σ = 200753280. Its totient is φ = 26218080.

The previous prime is 85622689. The next prime is 85622707. The reversal of 85622706 is 60722658.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85622707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55161 + ... + 56691.

It is an arithmetic number, because the mean of its divisors is an integer number (4182360).

Almost surely, 2^85622706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85622706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100376640).

85622706 is an abundant number, since it is smaller than the sum of its proper divisors (115130574).

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

85622706 is a wasteful number, since it uses less digits than its factorization.

85622706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791 (or 1788 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 85622706 is about 9253.2538060944. The cubic root of 85622706 is about 440.7540547883.

The spelling of 85622706 in words is "eighty-five million, six hundred twenty-two thousand, seven hundred six".