127048978828 has 24 divisors (see below), whose sum is σ = 222939080000. Its totient is φ = 63352281168.

The previous prime is 127048978811. The next prime is 127048978829. The reversal of 127048978828 is 828879840721.

It is a super-2 number, since 2×127048978828² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 127048978828.

It is not an unprimeable number, because it can be changed into a prime (127048978829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2890351 + ... + 2933977.

Almost surely, 2^127048978828 is an apocalyptic number.

It is an amenable number.

127048978828 is a deficient number, since it is larger than the sum of its proper divisors (95890101172).

127048978828 is a wasteful number, since it uses less digits than its factorization.

127048978828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45589 (or 45587 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 64.

The spelling of 127048978828 in words is "one hundred twenty-seven billion, forty-eight million, nine hundred seventy-eight thousand, eight hundred twenty-eight".