85967889 has 8 divisors (see below), whose sum is σ = 130998720. Its totient is φ = 49124496.

The previous prime is 85967863. The next prime is 85967927. The reversal of 85967889 is 98876958.

It is a happy number.

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

It is not a de Polignac number, because 85967889 - 2¹² = 85963793 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85967839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2046834 + ... + 2046875.

It is an arithmetic number, because the mean of its divisors is an integer number (16374840).

Almost surely, 2^85967889 is an apocalyptic number.

It is an amenable number.

85967889 is a deficient number, since it is larger than the sum of its proper divisors (45030831).

85967889 is a wasteful number, since it uses less digits than its factorization.

85967889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093719.

The product of its digits is 8709120, while the sum is 60.

The square root of 85967889 is about 9271.8870247647. The cubic root of 85967889 is about 441.3455521520.

The spelling of 85967889 in words is "eighty-five million, nine hundred sixty-seven thousand, eight hundred eighty-nine".