28287322602 has 96 divisors (see below), whose sum is σ = 72311823360. Its totient is φ = 7294381920.

The previous prime is 28287322597. The next prime is 28287322631. The reversal of 28287322602 is 20622378282.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 418063 + ... + 480989.

It is an arithmetic number, because the mean of its divisors is an integer number (753248160).

Almost surely, 2^28287322602 is an apocalyptic number.

28287322602 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 28287322602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36155911680).

28287322602 is an abundant number, since it is smaller than the sum of its proper divisors (44024500758).

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

28287322602 is a wasteful number, since it uses less digits than its factorization.

28287322602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63096 (or 63089 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 28287322602 in words is "twenty-eight billion, two hundred eighty-seven million, three hundred twenty-two thousand, six hundred two".