85825808 has 40 divisors (see below), whose sum is σ = 169875288. Its totient is φ = 41997312.

The previous prime is 85825801. The next prime is 85825813. The reversal of 85825808 is 80852858.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 41576704 + 44249104 = 6448^2 + 6652^2 .

It is not an unprimeable number, because it can be changed into a prime (85825801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229910 + ... + 230282.

Almost surely, 2^85825808 is an apocalyptic number.

It is an amenable number.

85825808 is a deficient number, since it is larger than the sum of its proper divisors (84049480).

85825808 is a wasteful number, since it uses less digits than its factorization.

85825808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 44.

The square root of 85825808 is about 9264.2219317113. The cubic root of 85825808 is about 441.1022776165.

The spelling of 85825808 in words is "eighty-five million, eight hundred twenty-five thousand, eight hundred eight".