127864222208 has 30 divisors (see below), whose sum is σ = 255494877099. Its totient is φ = 63928065536.

The previous prime is 127864222201. The next prime is 127864222243. The reversal of 127864222208 is 802222468721.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 63932111104 + 63932111104 = 252848^2 + 252848^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=252848.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127864222201) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 8083235 + ... + 8099037.

Almost surely, 2^127864222208 is an apocalyptic number.

It is an amenable number.

127864222208 is a deficient number, since it is larger than the sum of its proper divisors (127630654891).

127864222208 is an frugal number, since it uses more digits than its factorization.

127864222208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31624 (or 15805 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 44.

The spelling of 127864222208 in words is "one hundred twenty-seven billion, eight hundred sixty-four million, two hundred twenty-two thousand, two hundred eight".