85999994 has 8 divisors (see below), whose sum is σ = 130925568. Its totient is φ = 42358140.

The previous prime is 85999937. The next prime is 86000009. The reversal of 85999994 is 49999958.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320762 + ... + 321029.

It is an arithmetic number, because the mean of its divisors is an integer number (16365696).

Almost surely, 2^85999994 is an apocalyptic number.

85999994 is a deficient number, since it is larger than the sum of its proper divisors (44925574).

85999994 is a wasteful number, since it uses less digits than its factorization.

85999994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641860.

The product of its digits is 9447840, while the sum is 62.

The square root of 85999994 is about 9273.6181719974. The cubic root of 85999994 is about 441.4004859791.

The spelling of 85999994 in words is "eighty-five million, nine hundred ninety-nine thousand, nine hundred ninety-four".