1378863936704 has 56 divisors (see below), whose sum is σ = 2758241026560. Its totient is φ = 683876100096.

The previous prime is 1378863936701. The next prime is 1378863936721. The reversal of 1378863936704 is 4076393688731.

It is not an unprimeable number, because it can be changed into a prime (1378863936701) 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, 55818884 + ... + 55843580.

Almost surely, 2^{1378863936704} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1378863936704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1379120513280).

1378863936704 is an abundant number, since it is smaller than the sum of its proper divisors (1379377089856).

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

1378863936704 is a wasteful number, since it uses less digits than its factorization.

1378863936704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31705 (or 31695 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 65.

The spelling of 1378863936704 in words is "one trillion, three hundred seventy-eight billion, eight hundred sixty-three million, nine hundred thirty-six thousand, seven hundred four".