28383464764 has 12 divisors (see below), whose sum is σ = 49741925688. Its totient is φ = 14171486000.

The previous prime is 28383464749. The next prime is 28383464771. The reversal of 28383464764 is 46746438382.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5058442 + ... + 5064049.

It is an arithmetic number, because the mean of its divisors is an integer number (4145160474).

Almost surely, 2^28383464764 is an apocalyptic number.

It is an amenable number.

28383464764 is a deficient number, since it is larger than the sum of its proper divisors (21358460924).

28383464764 is a wasteful number, since it uses less digits than its factorization.

28383464764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10123196 (or 10123194 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 55.

The spelling of 28383464764 in words is "twenty-eight billion, three hundred eighty-three million, four hundred sixty-four thousand, seven hundred sixty-four".