127320698887 has 2 divisors, whose sum is σ = 127320698888. Its totient is φ = 127320698886.

The previous prime is 127320698821. The next prime is 127320698929. The reversal of 127320698887 is 788896023721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127320698887 - 2¹⁵ = 127320666119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127320698287) 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 as a sum of consecutive naturals, namely, 63660349443 + 63660349444.

It is an arithmetic number, because the mean of its divisors is an integer number (63660349444).

Almost surely, 2^127320698887 is an apocalyptic number.

127320698887 is a deficient number, since it is larger than the sum of its proper divisors (1).

127320698887 is an equidigital number, since it uses as much as digits as its factorization.

127320698887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16257024, while the sum is 61.

The spelling of 127320698887 in words is "one hundred twenty-seven billion, three hundred twenty million, six hundred ninety-eight thousand, eight hundred eighty-seven".