679543888 has 20 divisors (see below), whose sum is σ = 1319379840. Its totient is φ = 339058784.

The previous prime is 679543877. The next prime is 679543889. The reversal of 679543888 is 888345976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679543889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36670 + ... + 51997.

It is an arithmetic number, because the mean of its divisors is an integer number (65968992).

Almost surely, 2^679543888 is an apocalyptic number.

It is an amenable number.

679543888 is a deficient number, since it is larger than the sum of its proper divisors (639835952).

679543888 is a wasteful number, since it uses less digits than its factorization.

679543888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89154 (or 89148 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 58.

The square root of 679543888 is about 26068.0626054181. The cubic root of 679543888 is about 879.1692780268.

The spelling of 679543888 in words is "six hundred seventy-nine million, five hundred forty-three thousand, eight hundred eighty-eight".