127997936604 has 36 divisors (see below), whose sum is σ = 332294946984. Its totient is φ = 41512843872.

The previous prime is 127997936593. The next prime is 127997936621. The reversal of 127997936604 is 406639799721.

127997936604 is a `hidden beast` number, since 12 + 7 + 9 + 9 + 7 + 9 + 3 + 6 + 604 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48045942 + ... + 48048605.

It is an arithmetic number, because the mean of its divisors is an integer number (9230415194).

Almost surely, 2^127997936604 is an apocalyptic number.

It is an amenable number.

127997936604 is an abundant number, since it is smaller than the sum of its proper divisors (204297010380).

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

127997936604 is a wasteful number, since it uses less digits than its factorization.

127997936604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96094594 (or 96094589 counting only the distinct ones).

The product of its (nonzero) digits is 30862944, while the sum is 63.

It can be divided in two parts, 127997 and 936604, that added together give a palindrome (1064601).

The spelling of 127997936604 in words is "one hundred twenty-seven billion, nine hundred ninety-seven million, nine hundred thirty-six thousand, six hundred four".