127449813679 has 8 divisors (see below), whose sum is σ = 128362389120. Its totient is φ = 126539017176.

The previous prime is 127449813653. The next prime is 127449813691. The reversal of 127449813679 is 976318944721.

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 127449813679 - 2⁷ = 127449813551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127449813619) 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, 300769 + ... + 587674.

It is an arithmetic number, because the mean of its divisors is an integer number (16045298640).

Almost surely, 2^127449813679 is an apocalyptic number.

127449813679 is a deficient number, since it is larger than the sum of its proper divisors (912575441).

127449813679 is an equidigital number, since it uses as much as digits as its factorization.

127449813679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889469.

The product of its digits is 18289152, while the sum is 61.

The spelling of 127449813679 in words is "one hundred twenty-seven billion, four hundred forty-nine million, eight hundred thirteen thousand, six hundred seventy-nine".