127964807827 has 8 divisors (see below), whose sum is σ = 129786272352. Its totient is φ = 126143875200.

The previous prime is 127964807819. The next prime is 127964807843. The reversal of 127964807827 is 728708469721.

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 127964807827 - 2³ = 127964807819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127964802827) 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, 364773 + ... + 623689.

It is an arithmetic number, because the mean of its divisors is an integer number (16223284044).

Almost surely, 2^127964807827 is an apocalyptic number.

127964807827 is a deficient number, since it is larger than the sum of its proper divisors (1821464525).

127964807827 is an equidigital number, since it uses as much as digits as its factorization.

127964807827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265949.

The product of its (nonzero) digits is 18966528, while the sum is 61.

The spelling of 127964807827 in words is "one hundred twenty-seven billion, nine hundred sixty-four million, eight hundred seven thousand, eight hundred twenty-seven".