6674878784766 has 64 divisors (see below), whose sum is σ = 13764155682816. Its totient is φ = 2156370710400.

The previous prime is 6674878784731. The next prime is 6674878784779.

6674878784766 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137287801 + ... + 137336411.

It is an arithmetic number, because the mean of its divisors is an integer number (215064932544).

Almost surely, 2^{6674878784766} is an apocalyptic number.

6674878784766 is an abundant number, since it is smaller than the sum of its proper divisors (7089276898050).

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

6674878784766 is a wasteful number, since it uses less digits than its factorization.

6674878784766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51057.

The product of its digits is 25491013632, while the sum is 84.

The spelling of 6674878784766 in words is "six trillion, six hundred seventy-four billion, eight hundred seventy-eight million, seven hundred eighty-four thousand, seven hundred sixty-six".