85685573567 has 8 divisors (see below), whose sum is σ = 93602704080. Its totient is φ = 77789698560.

The previous prime is 85685573543. The next prime is 85685573573. The reversal of 85685573567 is 76537558658.

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

It is a cyclic number.

It is not a de Polignac number, because 85685573567 - 2¹⁰ = 85685572543 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 (85685573867) 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, 5305442 + ... + 5321567.

It is an arithmetic number, because the mean of its divisors is an integer number (11700338010).

Almost surely, 2^85685573567 is an apocalyptic number.

85685573567 is a deficient number, since it is larger than the sum of its proper divisors (7917130513).

85685573567 is a wasteful number, since it uses less digits than its factorization.

85685573567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10627753.

The product of its digits is 211680000, while the sum is 65.

The spelling of 85685573567 in words is "eighty-five billion, six hundred eighty-five million, five hundred seventy-three thousand, five hundred sixty-seven".