127937864 has 16 divisors (see below), whose sum is σ = 240706620. Its totient is φ = 63749440.

The previous prime is 127937863. The next prime is 127937947. The reversal of 127937864 is 468739721.

It can be written as a sum of positive squares in 2 ways, for example, as 99400900 + 28536964 = 9970^2 + 5342^2 .

It is not an unprimeable number, because it can be changed into a prime (127937863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24947 + ... + 29634.

Almost surely, 2^127937864 is an apocalyptic number.

It is an amenable number.

127937864 is a deficient number, since it is larger than the sum of its proper divisors (112768756).

127937864 is a wasteful number, since it uses less digits than its factorization.

127937864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54880 (or 54876 counting only the distinct ones).

The product of its digits is 508032, while the sum is 47.

The square root of 127937864 is about 11310.9621164603. The cubic root of 127937864 is about 503.8868583689.

The spelling of 127937864 in words is "one hundred twenty-seven million, nine hundred thirty-seven thousand, eight hundred sixty-four".