28287334330 has 32 divisors (see below), whose sum is σ = 53667028800. Its totient is φ = 10705416192.

The previous prime is 28287334321. The next prime is 28287334333. The reversal of 28287334330 is 3343378282.

It is not an unprimeable number, because it can be changed into a prime (28287334333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49309 + ... + 242911.

It is an arithmetic number, because the mean of its divisors is an integer number (1677094650).

Almost surely, 2^28287334330 is an apocalyptic number.

28287334330 is a deficient number, since it is larger than the sum of its proper divisors (25379694470).

28287334330 is a wasteful number, since it uses less digits than its factorization.

28287334330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194398.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 28287334330 in words is "twenty-eight billion, two hundred eighty-seven million, three hundred thirty-four thousand, three hundred thirty".