127284975892 has 12 divisors (see below), whose sum is σ = 222753002976. Its totient is φ = 63641260760.

The previous prime is 127284975863. The next prime is 127284975893. The reversal of 127284975892 is 298579482721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127284975893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49438 + ... + 506965.

It is an arithmetic number, because the mean of its divisors is an integer number (18562750248).

Almost surely, 2^127284975892 is an apocalyptic number.

It is an amenable number.

127284975892 is a deficient number, since it is larger than the sum of its proper divisors (95468027084).

127284975892 is a wasteful number, since it uses less digits than its factorization.

127284975892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613598 (or 613596 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 64.

The spelling of 127284975892 in words is "one hundred twenty-seven billion, two hundred eighty-four million, nine hundred seventy-five thousand, eight hundred ninety-two".