127389936446 has 8 divisors (see below), whose sum is σ = 191095731120. Its totient is φ = 63691359408.

The previous prime is 127389936437. The next prime is 127389936463. The reversal of 127389936446 is 644639983721.

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

It is a super-2 number, since 2×127389936446² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 1760066 + ... + 1831013.

It is an arithmetic number, because the mean of its divisors is an integer number (23886966390).

Almost surely, 2^127389936446 is an apocalyptic number.

127389936446 is a deficient number, since it is larger than the sum of its proper divisors (63705794674).

127389936446 is a wasteful number, since it uses less digits than its factorization.

127389936446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3608818.

The product of its digits is 47029248, while the sum is 62.

The spelling of 127389936446 in words is "one hundred twenty-seven billion, three hundred eighty-nine million, nine hundred thirty-six thousand, four hundred forty-six".