28282610864 has 40 divisors (see below), whose sum is σ = 58155184080. Its totient is φ = 13278670848.

The previous prime is 28282610861. The next prime is 28282610869. The reversal of 28282610864 is 46801628282.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28282610861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2294 + ... + 237845.

It is an arithmetic number, because the mean of its divisors is an integer number (1453879602).

Almost surely, 2^28282610864 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 28282610864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29077592040).

28282610864 is an abundant number, since it is smaller than the sum of its proper divisors (29872573216).

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

28282610864 is a wasteful number, since it uses less digits than its factorization.

28282610864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240597 (or 240591 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 47.

The spelling of 28282610864 in words is "twenty-eight billion, two hundred eighty-two million, six hundred ten thousand, eight hundred sixty-four".