28783782962704 has 135 divisors (see below), whose sum is σ = 71311498363791. Its totient is φ = 11213817088320.

The previous prime is 28783782962689. The next prime is 28783782962717. The reversal of 28783782962704 is 40726928738782.

The square root of 28783782962704 is 5365052.

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

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, 1652427307 + ... + 1652444725.

Almost surely, 2^{28783782962704} is an apocalyptic number.

28783782962704 is the 5365052-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28783782962704

28783782962704 is an abundant number, since it is smaller than the sum of its proper divisors (42527715401087).

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

28783782962704 is an frugal number, since it uses more digits than its factorization.

28783782962704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34882 (or 17439 counting only the distinct ones).

The product of its (nonzero) digits is 910393344, while the sum is 73.

The spelling of 28783782962704 in words is "twenty-eight trillion, seven hundred eighty-three billion, seven hundred eighty-two million, nine hundred sixty-two thousand, seven hundred four".