85698824 has 8 divisors (see below), whose sum is σ = 160685310. Its totient is φ = 42849408.

The previous prime is 85698779. The next prime is 85698841. The reversal of 85698824 is 42889658.

It can be written as a sum of positive squares in only one way, i.e., 79032100 + 6666724 = 8890^2 + 2582^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5356169 + ... + 5356184.

Almost surely, 2^85698824 is an apocalyptic number.

It is an amenable number.

85698824 is a deficient number, since it is larger than the sum of its proper divisors (74986486).

85698824 is a wasteful number, since it uses less digits than its factorization.

85698824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10712359 (or 10712355 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 50.

The square root of 85698824 is about 9257.3659320565. The cubic root of 85698824 is about 440.8846252173.

The spelling of 85698824 in words is "eighty-five million, six hundred ninety-eight thousand, eight hundred twenty-four".