85853893 has 8 divisors (see below), whose sum is σ = 91464768. Its totient is φ = 80305344.

The previous prime is 85853881. The next prime is 85853921. The reversal of 85853893 is 39835858.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85853893 - 2²⁵ = 52299461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85853813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12721 + ... + 18262.

It is an arithmetic number, because the mean of its divisors is an integer number (11433096).

Almost surely, 2^85853893 is an apocalyptic number.

It is an amenable number.

85853893 is a deficient number, since it is larger than the sum of its proper divisors (5610875).

85853893 is a wasteful number, since it uses less digits than its factorization.

85853893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31163.

The product of its digits is 1036800, while the sum is 49.

The square root of 85853893 is about 9265.7375853194. The cubic root of 85853893 is about 441.1503867137.

The spelling of 85853893 in words is "eighty-five million, eight hundred fifty-three thousand, eight hundred ninety-three".