28833852894480 has 60 divisors (see below), whose sum is σ = 96833689306380. Its totient is φ = 7689027438336.

The previous prime is 28833852894443. The next prime is 28833852894493. The reversal of 28833852894480 is 8449825833882.

28833852894480 is a `hidden beast` number, since 2 + 8 + 8 + 3 + 3 + 8 + 52 + 8 + 94 + 480 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8285002343424 + 20548850551056 = 2878368^2 + 4533084^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-3 number, since 3×28833852894480³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 28833852894399 and 28833852894408.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20023508235 + ... + 20023509674.

It is an arithmetic number, because the mean of its divisors is an integer number (1613894821773).

Almost surely, 2^{28833852894480} is an apocalyptic number.

28833852894480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28833852894480 is an abundant number, since it is smaller than the sum of its proper divisors (67999836411900).

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

28833852894480 is a wasteful number, since it uses less digits than its factorization.

28833852894480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40047017928 (or 40047017919 counting only the distinct ones).

The product of its (nonzero) digits is 849346560, while the sum is 72.

The spelling of 28833852894480 in words is "twenty-eight trillion, eight hundred thirty-three billion, eight hundred fifty-two million, eight hundred ninety-four thousand, four hundred eighty".