28043276976 has 1120 divisors, whose sum is σ = 108200074752. Its totient is φ = 6897623040.

The previous prime is 28043276971. The next prime is 28043277011. The reversal of 28043276976 is 67967234082.

28043276976 is a `hidden beast` number, since 2 + 80 + 432 + 7 + 69 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (28043276971) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 652169211 + ... + 652169253.

Almost surely, 2^28043276976 is an apocalyptic number.

28043276976 is a gapful number since it is divisible by the number (26) 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 28043276976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54100037376).

28043276976 is an abundant number, since it is smaller than the sum of its proper divisors (80156797776).

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

28043276976 is a wasteful number, since it uses less digits than its factorization.

28043276976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 28043276976 in words is "twenty-eight billion, forty-three million, two hundred seventy-six thousand, nine hundred seventy-six".