28384162576 has 135 divisors (see below), whose sum is σ = 70446192327. Its totient is φ = 11038547520.

The previous prime is 28384162553. The next prime is 28384162579. The reversal of 28384162576 is 67526148382.

The square root of 28384162576 is 168476.

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

It is not an unprimeable number, because it can be changed into a prime (28384162579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 51890335 + ... + 51890881.

Almost surely, 2^28384162576 is an apocalyptic number.

28384162576 is the 168476-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28384162576

28384162576 is an abundant number, since it is smaller than the sum of its proper divisors (42062029751).

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

28384162576 is an equidigital number, since it uses as much as digits as its factorization.

28384162576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 567 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 52.

The spelling of 28384162576 in words is "twenty-eight billion, three hundred eighty-four million, one hundred sixty-two thousand, five hundred seventy-six".