28713980304 has 135 divisors (see below), whose sum is σ = 83605622763. Its totient is φ = 9553025952.

The previous prime is 28713980287. The next prime is 28713980333. The reversal of 28713980304 is 40308931782.

The square root of 28713980304 is 169452.

It is a perfect power (a square), and thus also a powerful number.

It is a self number, because there is not a number n which added to its sum of digits gives 28713980304.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 54902187 + ... + 54902709.

Almost surely, 2^28713980304 is an apocalyptic number.

28713980304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

28713980304 is the 169452-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28713980304

28713980304 is an abundant number, since it is smaller than the sum of its proper divisors (54891642459).

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

28713980304 is an frugal number, since it uses more digits than its factorization.

28713980304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 28713980304 in words is "twenty-eight billion, seven hundred thirteen million, nine hundred eighty thousand, three hundred four".