85889366 has 4 divisors (see below), whose sum is σ = 128834052. Its totient is φ = 42944682.

The previous prime is 85889357. The next prime is 85889369. The reversal of 85889366 is 66398858.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85889369) 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 as a sum of consecutive naturals, namely, 21472340 + ... + 21472343.

It is an arithmetic number, because the mean of its divisors is an integer number (32208513).

Almost surely, 2^85889366 is an apocalyptic number.

85889366 is a deficient number, since it is larger than the sum of its proper divisors (42944686).

85889366 is a wasteful number, since it uses less digits than its factorization.

85889366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42944685.

The product of its digits is 2488320, while the sum is 53.

The square root of 85889366 is about 9267.6515903437. The cubic root of 85889366 is about 441.2111363289.

The spelling of 85889366 in words is "eighty-five million, eight hundred eighty-nine thousand, three hundred sixty-six".