28233487334 has 32 divisors (see below), whose sum is σ = 46229599584. Its totient is φ = 12853716480.

The previous prime is 28233487309. The next prime is 28233487339. The reversal of 28233487334 is 43378433282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28233487339) 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 15 ways as a sum of consecutive naturals, for example, 1416542 + ... + 1436334.

It is an arithmetic number, because the mean of its divisors is an integer number (1444674987).

Almost surely, 2^28233487334 is an apocalyptic number.

28233487334 is a deficient number, since it is larger than the sum of its proper divisors (17996112250).

28233487334 is a wasteful number, since it uses less digits than its factorization.

28233487334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20552.

The product of its digits is 2322432, while the sum is 47.

The spelling of 28233487334 in words is "twenty-eight billion, two hundred thirty-three million, four hundred eighty-seven thousand, three hundred thirty-four".