85677211 has 4 divisors (see below), whose sum is σ = 88441024. Its totient is φ = 82913400.

The previous prime is 85677209. The next prime is 85677227. The reversal of 85677211 is 11277658.

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 85677211 - 2¹ = 85677209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85677271) 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, 1381860 + ... + 1381921.

It is an arithmetic number, because the mean of its divisors is an integer number (22110256).

Almost surely, 2^85677211 is an apocalyptic number.

85677211 is a deficient number, since it is larger than the sum of its proper divisors (2763813).

85677211 is a wasteful number, since it uses less digits than its factorization.

85677211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763812.

The product of its digits is 23520, while the sum is 37.

The square root of 85677211 is about 9256.1985177501. The cubic root of 85677211 is about 440.8475588177.

The spelling of 85677211 in words is "eighty-five million, six hundred seventy-seven thousand, two hundred eleven".