28623822393 has 8 divisors (see below), whose sum is σ = 38167272000. Its totient is φ = 19081460528.

The previous prime is 28623822323. The next prime is 28623822397. The reversal of 28623822393 is 39322832682.

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 28623822393 - 2⁸ = 28623822137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28623822397) 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 7 ways as a sum of consecutive naturals, for example, 208413 + ... + 317306.

It is an arithmetic number, because the mean of its divisors is an integer number (4770909000).

Almost surely, 2^28623822393 is an apocalyptic number.

It is an amenable number.

28623822393 is a deficient number, since it is larger than the sum of its proper divisors (9543449607).

28623822393 is a wasteful number, since it uses less digits than its factorization.

28623822393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543871.

The product of its digits is 1492992, while the sum is 48.

The spelling of 28623822393 in words is "twenty-eight billion, six hundred twenty-three million, eight hundred twenty-two thousand, three hundred ninety-three".