85522911 has 4 divisors (see below), whose sum is σ = 114030552. Its totient is φ = 57015272.

The previous prime is 85522909. The next prime is 85522949. The reversal of 85522911 is 11922558.

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 85522911 - 2¹ = 85522909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85522961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14253816 + ... + 14253821.

It is an arithmetic number, because the mean of its divisors is an integer number (28507638).

Almost surely, 2^85522911 is an apocalyptic number.

85522911 is a deficient number, since it is larger than the sum of its proper divisors (28507641).

85522911 is a wasteful number, since it uses less digits than its factorization.

85522911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28507640.

The product of its digits is 7200, while the sum is 33.

The square root of 85522911 is about 9247.8598064633. The cubic root of 85522911 is about 440.5827522896.

The spelling of 85522911 in words is "eighty-five million, five hundred twenty-two thousand, nine hundred eleven".