28868118464 has 56 divisors (see below), whose sum is σ = 60327753360. Its totient is φ = 13668120576.

The previous prime is 28868118463. The next prime is 28868118473. The reversal of 28868118464 is 46481186882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28868118463) 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, 3689084 + ... + 3696900.

It is an arithmetic number, because the mean of its divisors is an integer number (1077281310).

Almost surely, 2^28868118464 is an apocalyptic number.

It is an amenable number.

28868118464 is an abundant number, since it is smaller than the sum of its proper divisors (31459634896).

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

28868118464 is a wasteful number, since it uses less digits than its factorization.

28868118464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10885 (or 10875 counting only the distinct ones).

The product of its digits is 4718592, while the sum is 56.

The spelling of 28868118464 in words is "twenty-eight billion, eight hundred sixty-eight million, one hundred eighteen thousand, four hundred sixty-four".