28568363407 has 4 divisors (see below), whose sum is σ = 28686904576. Its totient is φ = 28449822240.

The previous prime is 28568363399. The next prime is 28568363413. The reversal of 28568363407 is 70436386582.

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

It is a cyclic number.

It is not a de Polignac number, because 28568363407 - 2³ = 28568363399 is a prime.

It is a super-3 number, since 3×28568363407³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28568363497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59270223 + ... + 59270704.

It is an arithmetic number, because the mean of its divisors is an integer number (7171726144).

Almost surely, 2^28568363407 is an apocalyptic number.

28568363407 is a deficient number, since it is larger than the sum of its proper divisors (118541169).

28568363407 is a wasteful number, since it uses less digits than its factorization.

28568363407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118541168.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 28568363407 in words is "twenty-eight billion, five hundred sixty-eight million, three hundred sixty-three thousand, four hundred seven".