85115822 has 8 divisors (see below), whose sum is σ = 139280472. Its totient is φ = 38689000.

The previous prime is 85115759. The next prime is 85115837. The reversal of 85115822 is 22851158.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1934429 + ... + 1934472.

It is an arithmetic number, because the mean of its divisors is an integer number (17410059).

Almost surely, 2^85115822 is an apocalyptic number.

85115822 is a deficient number, since it is larger than the sum of its proper divisors (54164650).

85115822 is a wasteful number, since it uses less digits than its factorization.

85115822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868914.

The product of its digits is 6400, while the sum is 32.

The square root of 85115822 is about 9225.8236488673. The cubic root of 85115822 is about 439.8825823053.

The spelling of 85115822 in words is "eighty-five million, one hundred fifteen thousand, eight hundred twenty-two".