28395217343263 has 8 divisors (see below), whose sum is σ = 28860974753600. Its totient is φ = 27929468386080.

The previous prime is 28395217343243. The next prime is 28395217343309. The reversal of 28395217343263 is 36234371259382.

It is a happy number.

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 28395217343263 - 2²⁵ = 28395183788831 is a prime.

It is a super-2 number, since 2×28395217343263² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28395217343198 and 28395217343207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28395217343243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4846513 + ... + 8959861.

It is an arithmetic number, because the mean of its divisors is an integer number (3607621844200).

Almost surely, 2^{28395217343263} is an apocalyptic number.

28395217343263 is a deficient number, since it is larger than the sum of its proper divisors (465757410337).

28395217343263 is a wasteful number, since it uses less digits than its factorization.

28395217343263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4226577.

The product of its digits is 39191040, while the sum is 58.

The spelling of 28395217343263 in words is "twenty-eight trillion, three hundred ninety-five billion, two hundred seventeen million, three hundred forty-three thousand, two hundred sixty-three".