28002225668760 has 288 divisors, whose sum is σ = 106477508489040. Its totient is φ = 6363510870528.

The previous prime is 28002225668713. The next prime is 28002225668843. The reversal of 28002225668760 is 6786652220082.

It is a happy number.

28002225668760 is a `hidden beast` number, since 2 + 8 + 0 + 0 + 2 + 2 + 2 + 566 + 8 + 76 + 0 = 666.

It is a super-2 number, since 2×28002225668760² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28002225668697 and 28002225668706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1536222 + ... + 7639661.

Almost surely, 2^{28002225668760} is an apocalyptic number.

28002225668760 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 28002225668760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53238754244520).

28002225668760 is an abundant number, since it is smaller than the sum of its proper divisors (78475282820280).

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

28002225668760 is a wasteful number, since it uses less digits than its factorization.

28002225668760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9176087 (or 9176073 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 28002225668760 in words is "twenty-eight trillion, two billion, two hundred twenty-five million, six hundred sixty-eight thousand, seven hundred sixty".