85823753 has 4 divisors (see below), whose sum is σ = 85981200. Its totient is φ = 85666308.

The previous prime is 85823747. The next prime is 85823791. The reversal of 85823753 is 35732858.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85823753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85823753.

It is not an unprimeable number, because it can be changed into a prime (85823713) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 77903 + ... + 78996.

It is an arithmetic number, because the mean of its divisors is an integer number (21495300).

Almost surely, 2^85823753 is an apocalyptic number.

It is an amenable number.

85823753 is a deficient number, since it is larger than the sum of its proper divisors (157447).

85823753 is a wasteful number, since it uses less digits than its factorization.

85823753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157446.

The product of its digits is 201600, while the sum is 41.

The square root of 85823753 is about 9264.1110204919. Note that the first 3 decimals coincide. The cubic root of 85823753 is about 441.0987570266.

The spelling of 85823753 in words is "eighty-five million, eight hundred twenty-three thousand, seven hundred fifty-three".