127374839689 has 8 divisors (see below), whose sum is σ = 134428861440. Its totient is φ = 120355826256.

The previous prime is 127374839671. The next prime is 127374839701. The reversal of 127374839689 is 986938473721.

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

It is a cyclic number.

It is not a de Polignac number, because 127374839689 - 2⁷ = 127374839561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127374833689) 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, 8744602 + ... + 8759155.

It is an arithmetic number, because the mean of its divisors is an integer number (16803607680).

Almost surely, 2^127374839689 is an apocalyptic number.

127374839689 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

127374839689 is a deficient number, since it is larger than the sum of its proper divisors (7054021751).

127374839689 is a wasteful number, since it uses less digits than its factorization.

127374839689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17504159.

The product of its digits is 109734912, while the sum is 67.

The spelling of 127374839689 in words is "one hundred twenty-seven billion, three hundred seventy-four million, eight hundred thirty-nine thousand, six hundred eighty-nine".