85822858 has 16 divisors (see below), whose sum is σ = 140595840. Its totient is φ = 38966400.

The previous prime is 85822823. The next prime is 85822859.

85822858 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (85822859) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25498 + ... + 28666.

It is an arithmetic number, because the mean of its divisors is an integer number (8787240).

Almost surely, 2^85822858 is an apocalyptic number.

85822858 is a deficient number, since it is larger than the sum of its proper divisors (54772982).

85822858 is a wasteful number, since it uses less digits than its factorization.

85822858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4413.

The product of its digits is 409600, while the sum is 46.

The square root of 85822858 is about 9264.0627156772. The cubic root of 85822858 is about 441.0972237108.

It can be divided in two parts, 858 and 22858, that added together give a square (23716 = 154²).

The spelling of 85822858 in words is "eighty-five million, eight hundred twenty-two thousand, eight hundred fifty-eight".