28337134811 has 16 divisors (see below), whose sum is σ = 30518000640. Its totient is φ = 26216361600.

The previous prime is 28337134753. The next prime is 28337134841. The reversal of 28337134811 is 11843173382.

It is a cyclic number.

It is not a de Polignac number, because 28337134811 - 2³⁰ = 27263392987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28337134841) 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, 258386 + ... + 351336.

It is an arithmetic number, because the mean of its divisors is an integer number (1907375040).

Almost surely, 2^28337134811 is an apocalyptic number.

28337134811 is a deficient number, since it is larger than the sum of its proper divisors (2180865829).

28337134811 is a wasteful number, since it uses less digits than its factorization.

28337134811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93274.

The product of its digits is 96768, while the sum is 41.

The spelling of 28337134811 in words is "twenty-eight billion, three hundred thirty-seven million, one hundred thirty-four thousand, eight hundred eleven".