678383876 has 6 divisors (see below), whose sum is σ = 1187171790. Its totient is φ = 339191936.

The previous prime is 678383869. The next prime is 678383891.

678383876 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 513928900 + 164454976 = 22670^2 + 12824^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84797981 + ... + 84797988.

It is an arithmetic number, because the mean of its divisors is an integer number (197861965).

Almost surely, 2^678383876 is an apocalyptic number.

It is an amenable number.

678383876 is a deficient number, since it is larger than the sum of its proper divisors (508787914).

678383876 is a wasteful number, since it uses less digits than its factorization.

678383876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169595973 (or 169595971 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 56.

The square root of 678383876 is about 26045.8034239683. The cubic root of 678383876 is about 878.6687325925.

The spelling of 678383876 in words is "six hundred seventy-eight million, three hundred eighty-three thousand, eight hundred seventy-six".