28834261293337 has 4 divisors (see below), whose sum is σ = 28834286181156. Its totient is φ = 28834236405520.

The previous prime is 28834261293329. The next prime is 28834261293361. The reversal of 28834261293337 is 73339216243882.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23831863840521 + 5002397452816 = 4881789^2 + 2236604^2 .

It is a cyclic number.

It is not a de Polignac number, because 28834261293337 - 2³ = 28834261293329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28834261293317) 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, 10616614 + ... + 13053007.

It is an arithmetic number, because the mean of its divisors is an integer number (7208571545289).

Almost surely, 2^{28834261293337} is an apocalyptic number.

It is an amenable number.

28834261293337 is a deficient number, since it is larger than the sum of its proper divisors (24887819).

28834261293337 is a wasteful number, since it uses less digits than its factorization.

28834261293337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24887818.

The product of its digits is 62705664, while the sum is 61.

The spelling of 28834261293337 in words is "twenty-eight trillion, eight hundred thirty-four billion, two hundred sixty-one million, two hundred ninety-three thousand, three hundred thirty-seven".