85600999 has 4 divisors (see below), whose sum is σ = 93382920. Its totient is φ = 77819080.

The previous prime is 85600997. The next prime is 85601029. The reversal of 85600999 is 99900658.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 85600999 - 2¹ = 85600997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85600993) 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, 3890944 + ... + 3890965.

It is an arithmetic number, because the mean of its divisors is an integer number (23345730).

Almost surely, 2^85600999 is an apocalyptic number.

85600999 is a deficient number, since it is larger than the sum of its proper divisors (7781921).

85600999 is a wasteful number, since it uses less digits than its factorization.

85600999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7781920.

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 85600999 is about 9252.0807929892. The cubic root of 85600999 is about 440.7168051017.

The spelling of 85600999 in words is "eighty-five million, six hundred thousand, nine hundred ninety-nine".