28343295468 has 168 divisors, whose sum is σ = 76581001280. Its totient is φ = 9170703360.

The previous prime is 28343295457. The next prime is 28343295479. The reversal of 28343295468 is 86459234382.

28343295468 is a `hidden beast` number, since 2 + 8 + 343 + 295 + 4 + 6 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (28343295457) and next prime (28343295479).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 14051196 + ... + 14053212.

Almost surely, 2^28343295468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28343295468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38290500640).

28343295468 is an abundant number, since it is smaller than the sum of its proper divisors (48237705812).

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

28343295468 is a wasteful number, since it uses less digits than its factorization.

28343295468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179 (or 2162 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 54.

The spelling of 28343295468 in words is "twenty-eight billion, three hundred forty-three million, two hundred ninety-five thousand, four hundred sixty-eight".