28052234247 has 8 divisors (see below), whose sum is σ = 37404118656. Its totient is φ = 18700919672.

The previous prime is 28052234179. The next prime is 28052234269. The reversal of 28052234247 is 74243225082.

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 28052234247 - 2¹⁵ = 28052201479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28052234297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9993 + ... + 237074.

It is an arithmetic number, because the mean of its divisors is an integer number (4675514832).

Almost surely, 2^28052234247 is an apocalyptic number.

28052234247 is a deficient number, since it is larger than the sum of its proper divisors (9351884409).

28052234247 is a wasteful number, since it uses less digits than its factorization.

28052234247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284917.

The product of its (nonzero) digits is 215040, while the sum is 39.

The spelling of 28052234247 in words is "twenty-eight billion, fifty-two million, two hundred thirty-four thousand, two hundred forty-seven".