28368650620 has 12 divisors (see below), whose sum is σ = 59574166344. Its totient is φ = 11347460240.

The previous prime is 28368650561. The next prime is 28368650689. The reversal of 28368650620 is 2605686382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709216246 + ... + 709216285.

It is an arithmetic number, because the mean of its divisors is an integer number (4964513862).

Almost surely, 2^28368650620 is an apocalyptic number.

28368650620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28368650620 is an abundant number, since it is smaller than the sum of its proper divisors (31205515724).

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

28368650620 is a wasteful number, since it uses less digits than its factorization.

28368650620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418432540 (or 1418432538 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 28368650620 in words is "twenty-eight billion, three hundred sixty-eight million, six hundred fifty thousand, six hundred twenty".