127794915329 has 2 divisors, whose sum is σ = 127794915330. Its totient is φ = 127794915328.

The previous prime is 127794915323. The next prime is 127794915359. The reversal of 127794915329 is 923519497721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121572860929 + 6222054400 = 348673^2 + 78880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127794915329 is a prime.

It is not a weakly prime, because it can be changed into another prime (127794915323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63897457664 + 63897457665.

It is an arithmetic number, because the mean of its divisors is an integer number (63897457665).

Almost surely, 2^127794915329 is an apocalyptic number.

It is an amenable number.

127794915329 is a deficient number, since it is larger than the sum of its proper divisors (1).

127794915329 is an equidigital number, since it uses as much as digits as its factorization.

127794915329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8573040, while the sum is 59.

The spelling of 127794915329 in words is "one hundred twenty-seven billion, seven hundred ninety-four million, nine hundred fifteen thousand, three hundred twenty-nine".