127916322909 has 8 divisors (see below), whose sum is σ = 170586225312. Its totient is φ = 85261984560.

The previous prime is 127916322899. The next prime is 127916322917. The reversal of 127916322909 is 909223619721.

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

It is not a de Polignac number, because 127916322909 - 2²⁵ = 127882768477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127916322949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3871822 + ... + 3904719.

It is an arithmetic number, because the mean of its divisors is an integer number (21323278164).

Almost surely, 2^127916322909 is an apocalyptic number.

It is an amenable number.

127916322909 is a deficient number, since it is larger than the sum of its proper divisors (42669902403).

127916322909 is an equidigital number, since it uses as much as digits as its factorization.

127916322909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7782027.

The product of its (nonzero) digits is 734832, while the sum is 51.

The spelling of 127916322909 in words is "one hundred twenty-seven billion, nine hundred sixteen million, three hundred twenty-two thousand, nine hundred nine".