1344680886678 has 16 divisors (see below), whose sum is σ = 2727240109056. Its totient is φ = 441913906280.

The previous prime is 1344680886667. The next prime is 1344680886697. The reversal of 1344680886678 is 8766880864431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1578263526 + ... + 1578264377.

It is an arithmetic number, because the mean of its divisors is an integer number (170452506816).

Almost surely, 2^{1344680886678} is an apocalyptic number.

1344680886678 is an abundant number, since it is smaller than the sum of its proper divisors (1382559222378).

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

1344680886678 is a wasteful number, since it uses less digits than its factorization.

1344680886678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156527979.

The product of its (nonzero) digits is 297271296, while the sum is 69.

The spelling of 1344680886678 in words is "one trillion, three hundred forty-four billion, six hundred eighty million, eight hundred eighty-six thousand, six hundred seventy-eight".