85891633 has 8 divisors (see below), whose sum is σ = 91190880. Its totient is φ = 80619840.

The previous prime is 85891627. The next prime is 85891661. The reversal of 85891633 is 33619858.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85891633 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 85891633.

It is not an unprimeable number, because it can be changed into a prime (85891693) 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 7 ways as a sum of consecutive naturals, for example, 223 + ... + 13108.

It is an arithmetic number, because the mean of its divisors is an integer number (11398860).

Almost surely, 2^85891633 is an apocalyptic number.

It is an amenable number.

85891633 is a deficient number, since it is larger than the sum of its proper divisors (5299247).

85891633 is a wasteful number, since it uses less digits than its factorization.

85891633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13727.

The product of its digits is 155520, while the sum is 43.

The square root of 85891633 is about 9267.7738966809. The cubic root of 85891633 is about 441.2150181321.

The spelling of 85891633 in words is "eighty-five million, eight hundred ninety-one thousand, six hundred thirty-three".