127956387684 has 24 divisors (see below), whose sum is σ = 298944297568. Its totient is φ = 42597930240.

The previous prime is 127956387683. The next prime is 127956387733. The reversal of 127956387684 is 486783659721.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (127956387683) 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, 6765037 + ... + 6783924.

Almost surely, 2^127956387684 is an apocalyptic number.

It is an amenable number.

127956387684 is an abundant number, since it is smaller than the sum of its proper divisors (170987909884).

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

127956387684 is a wasteful number, since it uses less digits than its factorization.

127956387684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13549755 (or 13549753 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 66.

The spelling of 127956387684 in words is "one hundred twenty-seven billion, nine hundred fifty-six million, three hundred eighty-seven thousand, six hundred eighty-four".