28863057600 has 252 divisors, whose sum is σ = 110478078256. Its totient is φ = 7104706560.

The previous prime is 28863057541. The next prime is 28863057617. The reversal of 28863057600 is 675036882.

28863057600 is a `hidden beast` number, since 2 + 8 + 8 + 6 + 30 + 5 + 7 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 110109 + ... + 264291.

Almost surely, 2^28863057600 is an apocalyptic number.

28863057600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28863057600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55239039128).

28863057600 is an abundant number, since it is smaller than the sum of its proper divisors (81615020656).

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

28863057600 is a wasteful number, since it uses less digits than its factorization.

28863057600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154224 (or 154206 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 28863057600 in words is "twenty-eight billion, eight hundred sixty-three million, fifty-seven thousand, six hundred".