28830763888128 has 120 divisors (see below), whose sum is σ = 83970910023000. Its totient is φ = 9522086989824.

The previous prime is 28830763888097. The next prime is 28830763888181. The reversal of 28830763888128 is 82188836703882.

It is a happy number.

28830763888128 is a `hidden beast` number, since 2 + 8 + 83 + 0 + 76 + 388 + 81 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28198078 + ... + 29202621.

It is an arithmetic number, because the mean of its divisors is an integer number (699757583525).

Almost surely, 2^{28830763888128} is an apocalyptic number.

It is an amenable number.

28830763888128 is an abundant number, since it is smaller than the sum of its proper divisors (55140146134872).

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

28830763888128 is a wasteful number, since it uses less digits than its factorization.

28830763888128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57400832 (or 57400813 counting only the distinct ones).

The product of its (nonzero) digits is 396361728, while the sum is 72.

The spelling of 28830763888128 in words is "twenty-eight trillion, eight hundred thirty billion, seven hundred sixty-three million, eight hundred eighty-eight thousand, one hundred twenty-eight".