127849394938 has 8 divisors (see below), whose sum is σ = 191812670388. Its totient is φ = 63911838144.

The previous prime is 127849394927. The next prime is 127849394941. The reversal of 127849394938 is 839493948721.

It can be written as a sum of positive squares in 2 ways, for example, as 122315969169 + 5533425769 = 349737^2 + 74387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6417231 + ... + 6437122.

Almost surely, 2^127849394938 is an apocalyptic number.

127849394938 is a deficient number, since it is larger than the sum of its proper divisors (63963275450).

127849394938 is a wasteful number, since it uses less digits than its factorization.

127849394938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12859328.

The product of its digits is 94058496, while the sum is 67.

The spelling of 127849394938 in words is "one hundred twenty-seven billion, eight hundred forty-nine million, three hundred ninety-four thousand, nine hundred thirty-eight".