85355867 has 4 divisors (see below), whose sum is σ = 85508040. Its totient is φ = 85203696.

The previous prime is 85355849. The next prime is 85355873. The reversal of 85355867 is 76855358.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85355867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85355887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75242 + ... + 76367.

It is an arithmetic number, because the mean of its divisors is an integer number (21377010).

Almost surely, 2^85355867 is an apocalyptic number.

85355867 is a deficient number, since it is larger than the sum of its proper divisors (152173).

85355867 is a wasteful number, since it uses less digits than its factorization.

85355867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152172.

The product of its digits is 1008000, while the sum is 47.

The square root of 85355867 is about 9238.8238970120. The cubic root of 85355867 is about 440.2957154670.

The spelling of 85355867 in words is "eighty-five million, three hundred fifty-five thousand, eight hundred sixty-seven".