127765276493 has 2 divisors, whose sum is σ = 127765276494. Its totient is φ = 127765276492.

The previous prime is 127765276453. The next prime is 127765276501. The reversal of 127765276493 is 394672567721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127715461129 + 49815364 = 357373^2 + 7058^2 .

It is a cyclic number.

It is not a de Polignac number, because 127765276493 - 2¹⁶ = 127765210957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127765276453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63882638246 + 63882638247.

It is an arithmetic number, because the mean of its divisors is an integer number (63882638247).

Almost surely, 2^127765276493 is an apocalyptic number.

It is an amenable number.

127765276493 is a deficient number, since it is larger than the sum of its proper divisors (1).

127765276493 is an equidigital number, since it uses as much as digits as its factorization.

127765276493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26671680, while the sum is 59.

The spelling of 127765276493 in words is "one hundred twenty-seven billion, seven hundred sixty-five million, two hundred seventy-six thousand, four hundred ninety-three".