28338577633 has 8 divisors (see below), whose sum is σ = 29573227008. Its totient is φ = 27104139744.

The previous prime is 28338577621. The next prime is 28338577717. The reversal of 28338577633 is 33677583382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28338577633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28338577613) 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, 260560 + ... + 352942.

It is an arithmetic number, because the mean of its divisors is an integer number (3696653376).

Almost surely, 2^28338577633 is an apocalyptic number.

28338577633 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

28338577633 is a deficient number, since it is larger than the sum of its proper divisors (1234649375).

28338577633 is a wasteful number, since it uses less digits than its factorization.

28338577633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105743.

The product of its digits is 15240960, while the sum is 55.

The spelling of 28338577633 in words is "twenty-eight billion, three hundred thirty-eight million, five hundred seventy-seven thousand, six hundred thirty-three".