127783660396 has 36 divisors (see below), whose sum is σ = 260192253888. Its totient is φ = 54751535328.

The previous prime is 127783660379. The next prime is 127783660399. The reversal of 127783660396 is 693066387721.

It is a self number, because there is not a number n which added to its sum of digits gives 127783660396.

It is not an unprimeable number, because it can be changed into a prime (127783660399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 782565 + ... + 931651.

It is an arithmetic number, because the mean of its divisors is an integer number (7227562608).

Almost surely, 2^127783660396 is an apocalyptic number.

It is an amenable number.

127783660396 is an abundant number, since it is smaller than the sum of its proper divisors (132408593492).

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

127783660396 is a wasteful number, since it uses less digits than its factorization.

127783660396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153478 (or 153469 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 58.

The spelling of 127783660396 in words is "one hundred twenty-seven billion, seven hundred eighty-three million, six hundred sixty thousand, three hundred ninety-six".