678888876 has 24 divisors (see below), whose sum is σ = 1626887920. Its totient is φ = 220180032.

The previous prime is 678888857. The next prime is 678888877.

It is a happy number.

678888876 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (678888877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764071 + ... + 764958.

Almost surely, 2^678888876 is an apocalyptic number.

It is an amenable number.

678888876 is an abundant number, since it is smaller than the sum of its proper divisors (947999044).

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

678888876 is a wasteful number, since it uses less digits than its factorization.

678888876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529073 (or 1529071 counting only the distinct ones).

The product of its digits is 57802752, while the sum is 66.

The square root of 678888876 is about 26055.4960804818. The cubic root of 678888876 is about 878.8867102819.

The spelling of 678888876 in words is "six hundred seventy-eight million, eight hundred eighty-eight thousand, eight hundred seventy-six".