127393982839 has 2 divisors, whose sum is σ = 127393982840. Its totient is φ = 127393982838.

The previous prime is 127393982801. The next prime is 127393982861. The reversal of 127393982839 is 938289393721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127393982839 - 2⁹ = 127393982327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127393982539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63696991419 + 63696991420.

It is an arithmetic number, because the mean of its divisors is an integer number (63696991420).

Almost surely, 2^127393982839 is an apocalyptic number.

127393982839 is a deficient number, since it is larger than the sum of its proper divisors (1).

127393982839 is an equidigital number, since it uses as much as digits as its factorization.

127393982839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35271936, while the sum is 64.

The spelling of 127393982839 in words is "one hundred twenty-seven billion, three hundred ninety-three million, nine hundred eighty-two thousand, eight hundred thirty-nine".