127393982538 has 32 divisors (see below), whose sum is σ = 266066436096. Its totient is φ = 40587703728.

The previous prime is 127393982489. The next prime is 127393982539. The reversal of 127393982538 is 835289393721.

It is not an unprimeable number, because it can be changed into a prime (127393982539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164706 + ... + 530957.

It is an arithmetic number, because the mean of its divisors is an integer number (8314576128).

Almost surely, 2^127393982538 is an apocalyptic number.

127393982538 is an abundant number, since it is smaller than the sum of its proper divisors (138672453558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127393982538 is a wasteful number, since it uses less digits than its factorization.

127393982538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697018.

The product of its digits is 19595520, while the sum is 60.

The spelling of 127393982538 in words is "one hundred twenty-seven billion, three hundred ninety-three million, nine hundred eighty-two thousand, five hundred thirty-eight".