127802879131 has 2 divisors, whose sum is σ = 127802879132. Its totient is φ = 127802879130.

The previous prime is 127802879129. The next prime is 127802879143. The reversal of 127802879131 is 131978208721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127802879131 - 2¹ = 127802879129 is a prime.

It is a super-2 number, since 2×127802879131² (a number of 23 digits) contains 22 as substring.

Together with 127802879129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (127802879111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63901439565 + 63901439566.

It is an arithmetic number, because the mean of its divisors is an integer number (63901439566).

Almost surely, 2^127802879131 is an apocalyptic number.

127802879131 is a deficient number, since it is larger than the sum of its proper divisors (1).

127802879131 is an equidigital number, since it uses as much as digits as its factorization.

127802879131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 49.

The spelling of 127802879131 in words is "one hundred twenty-seven billion, eight hundred two million, eight hundred seventy-nine thousand, one hundred thirty-one".