678867768876 has 48 divisors (see below), whose sum is σ = 1768213738368. Its totient is φ = 200933376000.

The previous prime is 678867768829. The next prime is 678867768913.

678867768876 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×678867768876² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59795925 + ... + 59807276.

It is an arithmetic number, because the mean of its divisors is an integer number (36837786216).

Almost surely, 2^678867768876 is an apocalyptic number.

678867768876 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

678867768876 is an abundant number, since it is smaller than the sum of its proper divisors (1089345969492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

678867768876 is a wasteful number, since it uses less digits than its factorization.

678867768876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119603262 (or 119603260 counting only the distinct ones).

The product of its digits is 12745506816, while the sum is 84.

The spelling of 678867768876 in words is "six hundred seventy-eight billion, eight hundred sixty-seven million, seven hundred sixty-eight thousand, eight hundred seventy-six".