28852587456 has 336 divisors, whose sum is σ = 96724207872. Its totient is φ = 7435169280.

The previous prime is 28852587431. The next prime is 28852587469. The reversal of 28852587456 is 65478525882.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (336).

It is a super-2 number, since 2×28852587456² (a number of 22 digits) contains 22 as substring.

Its product of digits (43008000) is a multiple of the sum of its prime divisors (150).

It is a self number, because there is not a number n which added to its sum of digits gives 28852587456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 227185665 + ... + 227185791.

Almost surely, 2^28852587456 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 28852587456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48362103936).

28852587456 is an abundant number, since it is smaller than the sum of its proper divisors (67871620416).

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

28852587456 is an equidigital number, since it uses as much as digits as its factorization.

28852587456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 150 counting only the distinct ones).

The product of its digits is 43008000, while the sum is 60.

The spelling of 28852587456 in words is "twenty-eight billion, eight hundred fifty-two million, five hundred eighty-seven thousand, four hundred fifty-six".