28343338888 has 32 divisors (see below), whose sum is σ = 54878630400. Its totient is φ = 13715085888.

The previous prime is 28343338883. The next prime is 28343338889. The reversal of 28343338888 is 88883334382.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28343338883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340456 + ... + 415447.

It is an arithmetic number, because the mean of its divisors is an integer number (1714957200).

Almost surely, 2^28343338888 is an apocalyptic number.

It is an amenable number.

28343338888 is a deficient number, since it is larger than the sum of its proper divisors (26535291512).

28343338888 is a wasteful number, since it uses less digits than its factorization.

28343338888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756061 (or 756057 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 58.

The spelling of 28343338888 in words is "twenty-eight billion, three hundred forty-three million, three hundred thirty-eight thousand, eight hundred eighty-eight".