85601699 has 4 divisors (see below), whose sum is σ = 89323536. Its totient is φ = 81879864.

The previous prime is 85601693. The next prime is 85601701. The reversal of 85601699 is 99610658.

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 85601699 - 2²⁰ = 84553123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85601693) 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 3 ways as a sum of consecutive naturals, for example, 1860884 + ... + 1860929.

It is an arithmetic number, because the mean of its divisors is an integer number (22330884).

Almost surely, 2^85601699 is an apocalyptic number.

85601699 is a deficient number, since it is larger than the sum of its proper divisors (3721837).

85601699 is a wasteful number, since it uses less digits than its factorization.

85601699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721836.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 85601699 is about 9252.1186222400. The cubic root of 85601699 is about 440.7180064153.

The spelling of 85601699 in words is "eighty-five million, six hundred one thousand, six hundred ninety-nine".