127779374914 has 4 divisors (see below), whose sum is σ = 191669062374. Its totient is φ = 63889687456.

The previous prime is 127779374897. The next prime is 127779374939. The reversal of 127779374914 is 419473977721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 419473977721 = 37 ⋅11337134533.

It can be written as a sum of positive squares in only one way, i.e., 77376879889 + 50402495025 = 278167^2 + 224505^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31944843727 + ... + 31944843730.

Almost surely, 2^127779374914 is an apocalyptic number.

127779374914 is a deficient number, since it is larger than the sum of its proper divisors (63889687460).

127779374914 is an equidigital number, since it uses as much as digits as its factorization.

127779374914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63889687459.

The product of its digits is 18670176, while the sum is 61.

The spelling of 127779374914 in words is "one hundred twenty-seven billion, seven hundred seventy-nine million, three hundred seventy-four thousand, nine hundred fourteen".