28352813578320 has 160 divisors (see below), whose sum is σ = 109581783459840. Its totient is φ = 5891493726720.

The previous prime is 28352813578307. The next prime is 28352813578339. The reversal of 28352813578320 is 2387531825382.

It is a happy number.

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, 767103100 + ... + 767140059.

It is an arithmetic number, because the mean of its divisors is an integer number (684886146624).

Almost surely, 2^{28352813578320} is an apocalyptic number.

28352813578320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28352813578320 is an abundant number, since it is smaller than the sum of its proper divisors (81228969881520).

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

28352813578320 is a wasteful number, since it uses less digits than its factorization.

28352813578320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534243193 (or 1534243187 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 57.

The spelling of 28352813578320 in words is "twenty-eight trillion, three hundred fifty-two billion, eight hundred thirteen million, five hundred seventy-eight thousand, three hundred twenty".