28807363224 has 96 divisors (see below), whose sum is σ = 78824631600. Its totient is φ = 9503619840.

The previous prime is 28807363199. The next prime is 28807363229. The reversal of 28807363224 is 42236370882.

28807363224 is a `hidden beast` number, since 2 + 8 + 8 + 0 + 7 + 3 + 632 + 2 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 28807363224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28807363229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10067554 + ... + 10070414.

Almost surely, 2^28807363224 is an apocalyptic number.

28807363224 is a gapful number since it is divisible by the number (24) 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 28807363224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39412315800).

28807363224 is an abundant number, since it is smaller than the sum of its proper divisors (50017268376).

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

28807363224 is a wasteful number, since it uses less digits than its factorization.

28807363224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4265 (or 4258 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 28807363224 in words is "twenty-eight billion, eight hundred seven million, three hundred sixty-three thousand, two hundred twenty-four".