85203870 has 32 divisors (see below), whose sum is σ = 207083520. Its totient is φ = 22432800.

The previous prime is 85203869. The next prime is 85203893. The reversal of 85203870 is 7830258.

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 15 ways as a sum of consecutive naturals, for example, 15606 + ... + 20345.

It is an arithmetic number, because the mean of its divisors is an integer number (6471360).

Almost surely, 2^85203870 is an apocalyptic number.

85203870 is an abundant number, since it is smaller than the sum of its proper divisors (121879650).

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

85203870 is a wasteful number, since it uses less digits than its factorization.

85203870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36040.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 85203870 is about 9230.5942387259. The cubic root of 85203870 is about 440.0342087728.

The spelling of 85203870 in words is "eighty-five million, two hundred three thousand, eight hundred seventy".