1337779338672 has 80 divisors (see below), whose sum is σ = 3951963343872. Its totient is φ = 381997271040.

The previous prime is 1337779338659. The next prime is 1337779338737. The reversal of 1337779338672 is 2768339777331.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602904 + ... + 1743287.

Almost surely, 2^{1337779338672} is an apocalyptic number.

1337779338672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1337779338672 is an abundant number, since it is smaller than the sum of its proper divisors (2614184005200).

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

1337779338672 is a wasteful number, since it uses less digits than its factorization.

1337779338672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347906 (or 2347900 counting only the distinct ones).

The product of its digits is 168031584, while the sum is 66.

The spelling of 1337779338672 in words is "one trillion, three hundred thirty-seven billion, seven hundred seventy-nine million, three hundred thirty-eight thousand, six hundred seventy-two".