127791327 has 8 divisors (see below), whose sum is σ = 170934064. Its totient is φ = 84921408.

The previous prime is 127791319. The next prime is 127791343. The reversal of 127791327 is 723197721.

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

It is not a de Polignac number, because 127791327 - 2³ = 127791319 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 (127791317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67108 + ... + 68985.

It is an arithmetic number, because the mean of its divisors is an integer number (21366758).

Almost surely, 2^127791327 is an apocalyptic number.

127791327 is a deficient number, since it is larger than the sum of its proper divisors (43142737).

127791327 is a wasteful number, since it uses less digits than its factorization.

127791327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136409.

The product of its digits is 37044, while the sum is 39.

The square root of 127791327 is about 11304.4826064708. The cubic root of 127791327 is about 503.6944048476.

The spelling of 127791327 in words is "one hundred twenty-seven million, seven hundred ninety-one thousand, three hundred twenty-seven".