127492890889 has 16 divisors (see below), whose sum is σ = 166144583808. Its totient is φ = 94939759872.

The previous prime is 127492890779. The next prime is 127492890913. The reversal of 127492890889 is 988098294721.

It is a cyclic number.

It is not a de Polignac number, because 127492890889 - 2⁷ = 127492890761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127492890089) 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, 41204947 + ... + 41208040.

It is an arithmetic number, because the mean of its divisors is an integer number (10384036488).

Almost surely, 2^127492890889 is an apocalyptic number.

It is an amenable number.

127492890889 is a deficient number, since it is larger than the sum of its proper divisors (38651692919).

127492890889 is a wasteful number, since it uses less digits than its factorization.

127492890889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82413024.

The product of its (nonzero) digits is 41803776, while the sum is 67.

The spelling of 127492890889 in words is "one hundred twenty-seven billion, four hundred ninety-two million, eight hundred ninety thousand, eight hundred eighty-nine".