127842487067 has 4 divisors (see below), whose sum is σ = 132250848720. Its totient is φ = 123434125416.

The previous prime is 127842487043. The next prime is 127842487103. The reversal of 127842487067 is 760784248721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 127842487067 - 2²² = 127838292763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127842480067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2204180783 + ... + 2204180840.

It is an arithmetic number, because the mean of its divisors is an integer number (33062712180).

Almost surely, 2^127842487067 is an apocalyptic number.

127842487067 is a deficient number, since it is larger than the sum of its proper divisors (4408361653).

127842487067 is an equidigital number, since it uses as much as digits as its factorization.

127842487067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408361652.

The product of its (nonzero) digits is 8429568, while the sum is 56.

The spelling of 127842487067 in words is "one hundred twenty-seven billion, eight hundred forty-two million, four hundred eighty-seven thousand, sixty-seven".