127876215385672 has 32 divisors (see below), whose sum is σ = 258424459244280. Its totient is φ = 58971135605760.

The previous prime is 127876215385631. The next prime is 127876215385703. The reversal of 127876215385672 is 276583512678721.

It can be written as a sum of positive squares in 4 ways, for example, as 41229420788196 + 86646794597476 = 6421014^2 + 9308426^2 .

It is a super-2 number, since 2×127876215385672² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506707729 + ... + 506960032.

Almost surely, 2^{127876215385672} is an apocalyptic number.

It is an amenable number.

127876215385672 is an abundant number, since it is smaller than the sum of its proper divisors (130548243858608).

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

127876215385672 is a wasteful number, since it uses less digits than its factorization.

127876215385672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013668993 (or 1013668989 counting only the distinct ones).

The product of its digits is 474163200, while the sum is 70.

The spelling of 127876215385672 in words is "one hundred twenty-seven trillion, eight hundred seventy-six billion, two hundred fifteen million, three hundred eighty-five thousand, six hundred seventy-two".