28338567356 has 18 divisors (see below), whose sum is σ = 54510757560. Its totient is φ = 12881166760.

The previous prime is 28338567349. The next prime is 28338567371. The reversal of 28338567356 is 65376583382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29274896 + ... + 29275863.

It is an arithmetic number, because the mean of its divisors is an integer number (3028375420).

Almost surely, 2^28338567356 is an apocalyptic number.

It is an amenable number.

28338567356 is a deficient number, since it is larger than the sum of its proper divisors (26172190204).

28338567356 is a wasteful number, since it uses less digits than its factorization.

28338567356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58550785 (or 58550772 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 56.

The spelling of 28338567356 in words is "twenty-eight billion, three hundred thirty-eight million, five hundred sixty-seven thousand, three hundred fifty-six".