127989391294 has 8 divisors (see below), whose sum is σ = 198604227960. Its totient is φ = 61787981976.

The previous prime is 127989391217. The next prime is 127989391301. The reversal of 127989391294 is 492193989721.

127989391294 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1103356764 + ... + 1103356879.

It is an arithmetic number, because the mean of its divisors is an integer number (24825528495).

Almost surely, 2^127989391294 is an apocalyptic number.

127989391294 is a deficient number, since it is larger than the sum of its proper divisors (70614836666).

127989391294 is a wasteful number, since it uses less digits than its factorization.

127989391294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206713674.

The product of its digits is 17635968, while the sum is 64.

The spelling of 127989391294 in words is "one hundred twenty-seven billion, nine hundred eighty-nine million, three hundred ninety-one thousand, two hundred ninety-four".