28732962064 has 45 divisors (see below), whose sum is σ = 57565964631. Its totient is φ = 13892875680.

The previous prime is 28732962047. The next prime is 28732962079. The reversal of 28732962064 is 46026923782.

The square root of 28732962064 is 169508.

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

It is a junction number, because it is equal to n+sod(n) for n = 28732961999 and 28732962017.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21018309 + ... + 21019675.

Almost surely, 2^28732962064 is an apocalyptic number.

28732962064 is the 169508-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28732962064

28732962064 is an abundant number, since it is smaller than the sum of its proper divisors (28833002567).

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

28732962064 is an frugal number, since it uses more digits than its factorization.

28732962064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804 (or 1400 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 49.

Multiplying 28732962064 by its sum of digits (49), we get a square (1407915141136 = 1186556²).

The spelling of 28732962064 in words is "twenty-eight billion, seven hundred thirty-two million, nine hundred sixty-two thousand, sixty-four".