6677400004278 has 128 divisors (see below), whose sum is σ = 14146930298880. Its totient is φ = 2098163658240.

The previous prime is 6677400004241. The next prime is 6677400004343. The reversal of 6677400004278 is 8724000047766.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6677400004278.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 1413802425 + ... + 1413807147.

It is an arithmetic number, because the mean of its divisors is an integer number (110522892960).

Almost surely, 2^{6677400004278} is an apocalyptic number.

6677400004278 is an abundant number, since it is smaller than the sum of its proper divisors (7469530294602).

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

6677400004278 is a wasteful number, since it uses less digits than its factorization.

6677400004278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5814.

The product of its (nonzero) digits is 3161088, while the sum is 51.

The spelling of 6677400004278 in words is "six trillion, six hundred seventy-seven billion, four hundred million, four thousand, two hundred seventy-eight".