127889547377434 has 8 divisors (see below), whose sum is σ = 192387157727328. Its totient is φ = 63760494801660.

The previous prime is 127889547377413. The next prime is 127889547377467. The reversal of 127889547377434 is 434773745988721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92139442662 + ... + 92139444049.

It is an arithmetic number, because the mean of its divisors is an integer number (24048394715916).

Almost surely, 2^{127889547377434} is an apocalyptic number.

127889547377434 is a deficient number, since it is larger than the sum of its proper divisors (64497610349894).

127889547377434 is a wasteful number, since it uses less digits than its factorization.

127889547377434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184278887060.

The product of its digits is 7965941760, while the sum is 79.

The spelling of 127889547377434 in words is "one hundred twenty-seven trillion, eight hundred eighty-nine billion, five hundred forty-seven million, three hundred seventy-seven thousand, four hundred thirty-four".