678767876 has 24 divisors (see below), whose sum is σ = 1198000440. Its totient is φ = 336494592.

The previous prime is 678767867. The next prime is 678767893.

678767876 is nontrivially palindromic in base 10.

678767876 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 4 ways, for example, as 11062276 + 667705600 = 3326^2 + 25840^2 .

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 in 7 ways as a sum of consecutive naturals, for example, 258860 + ... + 261468.

It is an arithmetic number, because the mean of its divisors is an integer number (49916685).

Almost surely, 2^678767876 is an apocalyptic number.

It is an amenable number.

678767876 is a deficient number, since it is larger than the sum of its proper divisors (519232564).

678767876 is a wasteful number, since it uses less digits than its factorization.

678767876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143 (or 3141 counting only the distinct ones).

The product of its digits is 33191424, while the sum is 62.

The square root of 678767876 is about 26053.1740100894. The cubic root of 678767876 is about 878.8344918141.

The spelling of 678767876 in words is "six hundred seventy-eight million, seven hundred sixty-seven thousand, eight hundred seventy-six".