85211288 has 16 divisors (see below), whose sum is σ = 159971280. Its totient is φ = 42552288.

The previous prime is 85211239. The next prime is 85211311. The reversal of 85211288 is 88211258.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581 + ... + 13067.

It is an arithmetic number, because the mean of its divisors is an integer number (9998205).

Almost surely, 2^85211288 is an apocalyptic number.

It is an amenable number.

85211288 is a deficient number, since it is larger than the sum of its proper divisors (74759992).

85211288 is a wasteful number, since it uses less digits than its factorization.

85211288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13346 (or 13342 counting only the distinct ones).

The product of its digits is 10240, while the sum is 35.

The square root of 85211288 is about 9230.9960459313. The cubic root of 85211288 is about 440.0469784550.

The spelling of 85211288 in words is "eighty-five million, two hundred eleven thousand, two hundred eighty-eight".