85711386 has 16 divisors (see below), whose sum is σ = 178876224. Its totient is φ = 27328224.

The previous prime is 85711357. The next prime is 85711393. The reversal of 85711386 is 68311758.

It is a Curzon number.

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, 310411 + ... + 310686.

It is an arithmetic number, because the mean of its divisors is an integer number (11179764).

Almost surely, 2^85711386 is an apocalyptic number.

85711386 is an abundant number, since it is smaller than the sum of its proper divisors (93164838).

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

85711386 is a wasteful number, since it uses less digits than its factorization.

85711386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621125.

The product of its digits is 40320, while the sum is 39.

The square root of 85711386 is about 9258.0443939312. The cubic root of 85711386 is about 440.9061662444.

The spelling of 85711386 in words is "eighty-five million, seven hundred eleven thousand, three hundred eighty-six".