28358166680 has 16 divisors (see below), whose sum is σ = 63805875120. Its totient is φ = 11343266656.

The previous prime is 28358166659. The next prime is 28358166713. The reversal of 28358166680 is 8666185382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354477044 + ... + 354477123.

It is an arithmetic number, because the mean of its divisors is an integer number (3987867195).

Almost surely, 2^28358166680 is an apocalyptic number.

28358166680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28358166680 is an abundant number, since it is smaller than the sum of its proper divisors (35447708440).

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

28358166680 is a wasteful number, since it uses less digits than its factorization.

28358166680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708954178 (or 708954174 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 28358166680 in words is "twenty-eight billion, three hundred fifty-eight million, one hundred sixty-six thousand, six hundred eighty".