676787878 has 12 divisors (see below), whose sum is σ = 1099280268. Its totient is φ = 312363480.

The previous prime is 676787873. The next prime is 676787897. The reversal of 676787878 is 878787676.

676787878 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

676787878 is a modest number, since divided by 787878 gives 676 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676787873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1000828 + ... + 1001503.

It is an arithmetic number, because the mean of its divisors is an integer number (91606689).

Almost surely, 2^676787878 is an apocalyptic number.

676787878 is a deficient number, since it is larger than the sum of its proper divisors (422492390).

676787878 is a wasteful number, since it uses less digits than its factorization.

676787878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002359 (or 2002346 counting only the distinct ones).

The product of its digits is 44255232, while the sum is 64.

The square root of 676787878 is about 26015.1470878025. The cubic root of 676787878 is about 877.9791256325.

The spelling of 676787878 in words is "six hundred seventy-six million, seven hundred eighty-seven thousand, eight hundred seventy-eight".