85269817 has 4 divisors (see below), whose sum is σ = 87252880. Its totient is φ = 83286756.

The previous prime is 85269803. The next prime is 85269823. The reversal of 85269817 is 71896258.

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-85269817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85269827) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 991467 + ... + 991552.

It is an arithmetic number, because the mean of its divisors is an integer number (21813220).

Almost surely, 2^85269817 is an apocalyptic number.

It is an amenable number.

85269817 is a deficient number, since it is larger than the sum of its proper divisors (1983063).

85269817 is a wasteful number, since it uses less digits than its factorization.

85269817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983062.

The product of its digits is 241920, while the sum is 46.

The square root of 85269817 is about 9234.1657446680. The cubic root of 85269817 is about 440.1477069523.

The spelling of 85269817 in words is "eighty-five million, two hundred sixty-nine thousand, eight hundred seventeen".