85861711 has 8 divisors (see below), whose sum is σ = 92673504. Its totient is φ = 79079520.

The previous prime is 85861681. The next prime is 85861729. The reversal of 85861711 is 11716858.

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

It is not a de Polignac number, because 85861711 - 2²³ = 77473103 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 (85861751) 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, 1171 + ... + 13156.

It is an arithmetic number, because the mean of its divisors is an integer number (11584188).

Almost surely, 2^85861711 is an apocalyptic number.

85861711 is a deficient number, since it is larger than the sum of its proper divisors (6811793).

85861711 is a wasteful number, since it uses less digits than its factorization.

85861711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14801.

The product of its digits is 13440, while the sum is 37.

The square root of 85861711 is about 9266.1594525456. The cubic root of 85861711 is about 441.1637769395.

The spelling of 85861711 in words is "eighty-five million, eight hundred sixty-one thousand, seven hundred eleven".