28302312472 has 64 divisors (see below), whose sum is σ = 60908616000. Its totient is φ = 12077531136.

The previous prime is 28302312469. The next prime is 28302312523. The reversal of 28302312472 is 27421320382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20086104 + ... + 20087512.

It is an arithmetic number, because the mean of its divisors is an integer number (951697125).

Almost surely, 2^28302312472 is an apocalyptic number.

It is an amenable number.

28302312472 is an abundant number, since it is smaller than the sum of its proper divisors (32606303528).

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

28302312472 is a wasteful number, since it uses less digits than its factorization.

28302312472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708 (or 2704 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 28302312472 in words is "twenty-eight billion, three hundred two million, three hundred twelve thousand, four hundred seventy-two".