85713666 has 16 divisors (see below), whose sum is σ = 174333600. Its totient is φ = 28086848.

The previous prime is 85713653. The next prime is 85713671. The reversal of 85713666 is 66631758.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120711 + ... + 121418.

It is an arithmetic number, because the mean of its divisors is an integer number (10895850).

Almost surely, 2^85713666 is an apocalyptic number.

85713666 is an abundant number, since it is smaller than the sum of its proper divisors (88619934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85713666 is a wasteful number, since it uses less digits than its factorization.

85713666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242193.

The product of its digits is 181440, while the sum is 42.

The square root of 85713666 is about 9258.1675292684. The cubic root of 85713666 is about 440.9100757100.

The spelling of 85713666 in words is "eighty-five million, seven hundred thirteen thousand, six hundred sixty-six".