678538882 has 32 divisors (see below), whose sum is σ = 1208097792. Its totient is φ = 279783504.

The previous prime is 678538877. The next prime is 678538951. The reversal of 678538882 is 288835876.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31923 + ... + 48745.

It is an arithmetic number, because the mean of its divisors is an integer number (37753056).

Almost surely, 2^678538882 is an apocalyptic number.

678538882 is a deficient number, since it is larger than the sum of its proper divisors (529558910).

678538882 is a wasteful number, since it uses less digits than its factorization.

678538882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16942.

The product of its digits is 5160960, while the sum is 55.

The square root of 678538882 is about 26048.7788965241. The cubic root of 678538882 is about 878.7356507285.

The spelling of 678538882 in words is "six hundred seventy-eight million, five hundred thirty-eight thousand, eight hundred eighty-two".