127616881499 has 2 divisors, whose sum is σ = 127616881500. Its totient is φ = 127616881498.

The previous prime is 127616881493. The next prime is 127616881537. The reversal of 127616881499 is 994188616721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127616881499 - 2⁸ = 127616881243 is a prime.

It is not a weakly prime, because it can be changed into another prime (127616881493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63808440749 + 63808440750.

It is an arithmetic number, because the mean of its divisors is an integer number (63808440750).

Almost surely, 2^127616881499 is an apocalyptic number.

127616881499 is a deficient number, since it is larger than the sum of its proper divisors (1).

127616881499 is an equidigital number, since it uses as much as digits as its factorization.

127616881499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 62.

The spelling of 127616881499 in words is "one hundred twenty-seven billion, six hundred sixteen million, eight hundred eighty-one thousand, four hundred ninety-nine".