85656722 has 8 divisors (see below), whose sum is σ = 128532096. Its totient is φ = 42812692.

The previous prime is 85656721. The next prime is 85656737. The reversal of 85656722 is 22765658.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 85656722.

It is not an unprimeable number, because it can be changed into a prime (85656721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983 + ... + 13125.

It is an arithmetic number, because the mean of its divisors is an integer number (16066512).

Almost surely, 2^85656722 is an apocalyptic number.

85656722 is a deficient number, since it is larger than the sum of its proper divisors (42875374).

85656722 is a wasteful number, since it uses less digits than its factorization.

85656722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15672.

The product of its digits is 201600, while the sum is 41.

The square root of 85656722 is about 9255.0916797188. The cubic root of 85656722 is about 440.8124143273.

The spelling of 85656722 in words is "eighty-five million, six hundred fifty-six thousand, seven hundred twenty-two".