85804624 has 10 divisors (see below), whose sum is σ = 166246490. Its totient is φ = 42902304.

The previous prime is 85804619. The next prime is 85804643. The reversal of 85804624 is 42640858.

It can be written as a sum of positive squares in only one way, i.e., 79210000 + 6594624 = 8900^2 + 2568^2 .

It is a congruent number.

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, 2681379 + ... + 2681410.

It is an arithmetic number, because the mean of its divisors is an integer number (16624649).

Almost surely, 2^85804624 is an apocalyptic number.

It is an amenable number.

85804624 is a deficient number, since it is larger than the sum of its proper divisors (80441866).

85804624 is a wasteful number, since it uses less digits than its factorization.

85804624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5362797 (or 5362791 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 85804624 is about 9263.0785379376. The cubic root of 85804624 is about 441.0659828633.

The spelling of 85804624 in words is "eighty-five million, eight hundred four thousand, six hundred twenty-four".