127887693538 has 8 divisors (see below), whose sum is σ = 209270771280. Its totient is φ = 58130769780.

The previous prime is 127887693499. The next prime is 127887693547. The reversal of 127887693538 is 835396788721.

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, 2906538468 + ... + 2906538511.

It is an arithmetic number, because the mean of its divisors is an integer number (26158846410).

Almost surely, 2^127887693538 is an apocalyptic number.

127887693538 is a deficient number, since it is larger than the sum of its proper divisors (81383077742).

127887693538 is a wasteful number, since it uses less digits than its factorization.

127887693538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5813076992.

The product of its digits is 121927680, while the sum is 67.

The spelling of 127887693538 in words is "one hundred twenty-seven billion, eight hundred eighty-seven million, six hundred ninety-three thousand, five hundred thirty-eight".