85993810 has 96 divisors (see below), whose sum is σ = 193560192. Its totient is φ = 26922240.

The previous prime is 85993807. The next prime is 85993891. The reversal of 85993810 is 1839958.

It is a super-2 number, since 2×85993810² = 14789870716632200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1036029 + ... + 1036111.

It is an arithmetic number, because the mean of its divisors is an integer number (2016252).

Almost surely, 2^85993810 is an apocalyptic number.

85993810 is an abundant number, since it is smaller than the sum of its proper divisors (107566382).

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

85993810 is a wasteful number, since it uses less digits than its factorization.

85993810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 85993810 is about 9273.2847470570. The cubic root of 85993810 is about 441.3899057999.

The spelling of 85993810 in words is "eighty-five million, nine hundred ninety-three thousand, eight hundred ten".