28749233338 has 8 divisors (see below), whose sum is σ = 49284400032. Its totient is φ = 12321099996.

The previous prime is 28749233287. The next prime is 28749233339. The reversal of 28749233338 is 83333294782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28749233339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026758320 + ... + 1026758347.

It is an arithmetic number, because the mean of its divisors is an integer number (6160550004).

Almost surely, 2^28749233338 is an apocalyptic number.

28749233338 is a deficient number, since it is larger than the sum of its proper divisors (20535166694).

28749233338 is a wasteful number, since it uses less digits than its factorization.

28749233338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053516676.

The product of its digits is 5225472, while the sum is 52.

The spelling of 28749233338 in words is "twenty-eight billion, seven hundred forty-nine million, two hundred thirty-three thousand, three hundred thirty-eight".