28904733311 has 8 divisors (see below), whose sum is σ = 28950821760. Its totient is φ = 28858683672.

The previous prime is 28904733301. The next prime is 28904733349. The reversal of 28904733311 is 11333740982.

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

It is a cyclic number.

It is not a de Polignac number, because 28904733311 - 2¹⁴ = 28904716927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28904733301) 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, 1716350 + ... + 1733108.

It is an arithmetic number, because the mean of its divisors is an integer number (3618852720).

Almost surely, 2^28904733311 is an apocalyptic number.

28904733311 is a deficient number, since it is larger than the sum of its proper divisors (46088449).

28904733311 is a wasteful number, since it uses less digits than its factorization.

28904733311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19405.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 28904733311 in words is "twenty-eight billion, nine hundred four million, seven hundred thirty-three thousand, three hundred eleven".