85885610 has 16 divisors (see below), whose sum is σ = 154818216. Its totient is φ = 34304448.

The previous prime is 85885609. The next prime is 85885627. The reversal of 85885610 is 1658858.

It can be written as a sum of positive squares in 4 ways, for example, as 65788321 + 20097289 = 8111^2 + 4483^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1472 + ... + 13188.

Almost surely, 2^85885610 is an apocalyptic number.

85885610 is a deficient number, since it is larger than the sum of its proper divisors (68932606).

85885610 is a wasteful number, since it uses less digits than its factorization.

85885610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12457.

The product of its (nonzero) digits is 76800, while the sum is 41.

The square root of 85885610 is about 9267.4489477957. The cubic root of 85885610 is about 441.2047047482.

It can be divided in two parts, 858 and 85610, that added together give a palindrome (86468).

The spelling of 85885610 in words is "eighty-five million, eight hundred eighty-five thousand, six hundred ten".