85660711 has 4 divisors (see below), whose sum is σ = 85683312. Its totient is φ = 85638112.

The previous prime is 85660709. The next prime is 85660733. The reversal of 85660711 is 11706658.

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 85660711 - 2¹ = 85660709 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 (85660741) 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, 4075 + ... + 13708.

It is an arithmetic number, because the mean of its divisors is an integer number (21420828).

Almost surely, 2^85660711 is an apocalyptic number.

85660711 is a deficient number, since it is larger than the sum of its proper divisors (22601).

85660711 is a wasteful number, since it uses less digits than its factorization.

85660711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22600.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 85660711 is about 9255.3071802075. The cubic root of 85660711 is about 440.8192570416.

The spelling of 85660711 in words is "eighty-five million, six hundred sixty thousand, seven hundred eleven".