85242824 has 16 divisors (see below), whose sum is σ = 161479500. Its totient is φ = 42181632.

The previous prime is 85242799. The next prime is 85242841. The reversal of 85242824 is 42824258.

It can be written as a sum of positive squares in 2 ways, for example, as 79530724 + 5712100 = 8918^2 + 2390^2 .

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, 54149 + ... + 55700.

Almost surely, 2^85242824 is an apocalyptic number.

It is an amenable number.

85242824 is a deficient number, since it is larger than the sum of its proper divisors (76236676).

85242824 is a wasteful number, since it uses less digits than its factorization.

85242824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109952 (or 109948 counting only the distinct ones).

The product of its digits is 40960, while the sum is 35.

The square root of 85242824 is about 9232.7040459445. The cubic root of 85242824 is about 440.1012576874.

The spelling of 85242824 in words is "eighty-five million, two hundred forty-two thousand, eight hundred twenty-four".