127745474999 has 2 divisors, whose sum is σ = 127745475000. Its totient is φ = 127745474998.

The previous prime is 127745474981. The next prime is 127745475017. The reversal of 127745474999 is 999474547721.

It is a balanced prime because it is at equal distance from previous prime (127745474981) and next prime (127745475017).

It is a cyclic number.

It is not a de Polignac number, because 127745474999 - 2²⁴ = 127728697783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127745474929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63872737499 + 63872737500.

It is an arithmetic number, because the mean of its divisors is an integer number (63872737500).

Almost surely, 2^127745474999 is an apocalyptic number.

127745474999 is a deficient number, since it is larger than the sum of its proper divisors (1).

127745474999 is an equidigital number, since it uses as much as digits as its factorization.

127745474999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 160030080, while the sum is 68.

The spelling of 127745474999 in words is "one hundred twenty-seven billion, seven hundred forty-five million, four hundred seventy-four thousand, nine hundred ninety-nine".