85239910 has 48 divisors (see below), whose sum is σ = 181002816. Its totient is φ = 28812672.

The previous prime is 85239907. The next prime is 85239923. The reversal of 85239910 is 1993258.

It is a self number, because there is not a number n which added to its sum of digits gives 85239910.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 34579 + ... + 36961.

It is an arithmetic number, because the mean of its divisors is an integer number (3770892).

Almost surely, 2^85239910 is an apocalyptic number.

85239910 is an abundant number, since it is smaller than the sum of its proper divisors (95762906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85239910 is a wasteful number, since it uses less digits than its factorization.

85239910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477 (or 2470 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 85239910 is about 9232.5462360066. The cubic root of 85239910 is about 440.0962427211.

The spelling of 85239910 in words is "eighty-five million, two hundred thirty-nine thousand, nine hundred ten".