28363258355 has 4 divisors (see below), whose sum is σ = 34035910032. Its totient is φ = 22690606680.

The previous prime is 28363258351. The next prime is 28363258409. The reversal of 28363258355 is 55385236382.

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

It is not a de Polignac number, because 28363258355 - 2² = 28363258351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28363258351) 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, 2836325831 + ... + 2836325840.

It is an arithmetic number, because the mean of its divisors is an integer number (8508977508).

Almost surely, 2^28363258355 is an apocalyptic number.

28363258355 is a deficient number, since it is larger than the sum of its proper divisors (5672651677).

28363258355 is an equidigital number, since it uses as much as digits as its factorization.

28363258355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672651676.

The product of its digits is 5184000, while the sum is 50.

The spelling of 28363258355 in words is "twenty-eight billion, three hundred sixty-three million, two hundred fifty-eight thousand, three hundred fifty-five".