28888056000 has 448 divisors, whose sum is σ = 111581184000. Its totient is φ = 7296998400.

The previous prime is 28888055951. The next prime is 28888056023. The reversal of 28888056000 is 65088882.

28888056000 is a `hidden beast` number, since 2 + 8 + 8 + 8 + 80 + 560 + 0 + 0 = 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 63 ways as a sum of consecutive naturals, for example, 4100481 + ... + 4107519.

Almost surely, 2^28888056000 is an apocalyptic number.

28888056000 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 28888056000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55790592000).

28888056000 is an abundant number, since it is smaller than the sum of its proper divisors (82693128000).

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

28888056000 is a wasteful number, since it uses less digits than its factorization.

28888056000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7094 (or 7068 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The spelling of 28888056000 in words is "twenty-eight billion, eight hundred eighty-eight million, fifty-six thousand".