679524885 has 24 divisors (see below), whose sum is σ = 1268447544. Its totient is φ = 334535040.

The previous prime is 679524871. The next prime is 679524907. The reversal of 679524885 is 588425976.

It can be written as a sum of positive squares in 4 ways, for example, as 505521 + 679019364 = 711^2 + 26058^2 .

It is not a de Polignac number, because 679524885 - 2¹⁰ = 679523861 is a prime.

It is a Curzon number.

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 in 23 ways as a sum of consecutive naturals, for example, 580206 + ... + 581375.

It is an arithmetic number, because the mean of its divisors is an integer number (52851981).

Almost surely, 2^679524885 is an apocalyptic number.

679524885 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

679524885 is a deficient number, since it is larger than the sum of its proper divisors (588922659).

679524885 is a wasteful number, since it uses less digits than its factorization.

679524885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161605 (or 1161602 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 679524885 is about 26067.6981147166. The cubic root of 679524885 is about 879.1610828193.

The spelling of 679524885 in words is "six hundred seventy-nine million, five hundred twenty-four thousand, eight hundred eighty-five".