127482774877 has 2 divisors, whose sum is σ = 127482774878. Its totient is φ = 127482774876.

The previous prime is 127482774833. The next prime is 127482774907. The reversal of 127482774877 is 778477284721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117548865316 + 9933909561 = 342854^2 + 99669^2 .

It is a cyclic number.

It is not a de Polignac number, because 127482774877 - 2²³ = 127474386269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127482778877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63741387438 + 63741387439.

It is an arithmetic number, because the mean of its divisors is an integer number (63741387439).

Almost surely, 2^127482774877 is an apocalyptic number.

It is an amenable number.

127482774877 is a deficient number, since it is larger than the sum of its proper divisors (1).

127482774877 is an equidigital number, since it uses as much as digits as its factorization.

127482774877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68841472, while the sum is 64.

The spelling of 127482774877 in words is "one hundred twenty-seven billion, four hundred eighty-two million, seven hundred seventy-four thousand, eight hundred seventy-seven".