13031784676716 has 96 divisors (see below), whose sum is σ = 34791287375040. Its totient is φ = 3766876130304.

The previous prime is 13031784676711. The next prime is 13031784676721. The reversal of 13031784676716 is 61767648713031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13031784676711) and next prime (13031784676721).

It is a self number, because there is not a number n which added to its sum of digits gives 13031784676716.

It is not an unprimeable number, because it can be changed into a prime (13031784676711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38759491 + ... + 39094266.

It is an arithmetic number, because the mean of its divisors is an integer number (362409243490).

Almost surely, 2^{13031784676716} is an apocalyptic number.

It is an amenable number.

13031784676716 is an abundant number, since it is smaller than the sum of its proper divisors (21759502698324).

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

13031784676716 is a wasteful number, since it uses less digits than its factorization.

13031784676716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77853843 (or 77853841 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 60.

The spelling of 13031784676716 in words is "thirteen trillion, thirty-one billion, seven hundred eighty-four million, six hundred seventy-six thousand, seven hundred sixteen".