127768463 has 2 divisors, whose sum is σ = 127768464. Its totient is φ = 127768462.

The previous prime is 127768439. The next prime is 127768507. The reversal of 127768463 is 364867721.

It is an a-pointer prime, because the next prime (127768507) can be obtained adding 127768463 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127768463 - 2²² = 123574159 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127768063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63884231 + 63884232.

It is an arithmetic number, because the mean of its divisors is an integer number (63884232).

Almost surely, 2^127768463 is an apocalyptic number.

127768463 is a deficient number, since it is larger than the sum of its proper divisors (1).

127768463 is an equidigital number, since it uses as much as digits as its factorization.

127768463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 44.

The square root of 127768463 is about 11303.4712809827. The cubic root of 127768463 is about 503.6643632789.

The spelling of 127768463 in words is "one hundred twenty-seven million, seven hundred sixty-eight thousand, four hundred sixty-three".