127068866447 has 4 divisors (see below), whose sum is σ = 127078326696. Its totient is φ = 127059406200.

The previous prime is 127068866413. The next prime is 127068866461. The reversal of 127068866447 is 744668860721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 127068866447 - 2⁸ = 127068866191 is a prime.

It is a super-2 number, since 2×127068866447² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127068866467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4709948 + ... + 4736849.

It is an arithmetic number, because the mean of its divisors is an integer number (31769581674).

Almost surely, 2^127068866447 is an apocalyptic number.

127068866447 is a deficient number, since it is larger than the sum of its proper divisors (9460249).

127068866447 is an equidigital number, since it uses as much as digits as its factorization.

127068866447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9460248.

The product of its (nonzero) digits is 21676032, while the sum is 59.

The spelling of 127068866447 in words is "one hundred twenty-seven billion, sixty-eight million, eight hundred sixty-six thousand, four hundred forty-seven".