28782052462460 has 96 divisors (see below), whose sum is σ = 66635811877824. Its totient is φ = 10355431680000.

The previous prime is 28782052462451. The next prime is 28782052462487. The reversal of 28782052462460 is 6426425028782.

It is a junction number, because it is equal to n+sod(n) for n = 28782052462396 and 28782052462405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31839920 + ... + 32731400.

It is an arithmetic number, because the mean of its divisors is an integer number (694123040394).

Almost surely, 2^{28782052462460} is an apocalyptic number.

28782052462460 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 28782052462460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33317905938912).

28782052462460 is an abundant number, since it is smaller than the sum of its proper divisors (37853759415364).

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

28782052462460 is a wasteful number, since it uses less digits than its factorization.

28782052462460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893055 (or 893053 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 56.

The spelling of 28782052462460 in words is "twenty-eight trillion, seven hundred eighty-two billion, fifty-two million, four hundred sixty-two thousand, four hundred sixty".