127690636984 has 16 divisors (see below), whose sum is σ = 242699670720. Its totient is φ = 62970724800.

The previous prime is 127690636937. The next prime is 127690636987. The reversal of 127690636984 is 489636096721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127690636987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109323592 + ... + 109324759.

It is an arithmetic number, because the mean of its divisors is an integer number (15168729420).

Almost surely, 2^127690636984 is an apocalyptic number.

It is an amenable number.

127690636984 is a deficient number, since it is larger than the sum of its proper divisors (115009033736).

127690636984 is a wasteful number, since it uses less digits than its factorization.

127690636984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218648430 (or 218648426 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 127690636984 in words is "one hundred twenty-seven billion, six hundred ninety million, six hundred thirty-six thousand, nine hundred eighty-four".