127672487 has 2 divisors, whose sum is σ = 127672488. Its totient is φ = 127672486.

The previous prime is 127672423. The next prime is 127672537. The reversal of 127672487 is 784276721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127672487 - 2⁶ = 127672423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127672417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63836243 + 63836244.

It is an arithmetic number, because the mean of its divisors is an integer number (63836244).

Almost surely, 2^127672487 is an apocalyptic number.

127672487 is a deficient number, since it is larger than the sum of its proper divisors (1).

127672487 is an equidigital number, since it uses as much as digits as its factorization.

127672487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 263424, while the sum is 44.

The square root of 127672487 is about 11299.2250619235. The cubic root of 127672487 is about 503.5382189534.

The spelling of 127672487 in words is "one hundred twenty-seven million, six hundred seventy-two thousand, four hundred eighty-seven".