28086884633 has 4 divisors (see below), whose sum is σ = 28088217360. Its totient is φ = 28085551908.

The previous prime is 28086884603. The next prime is 28086884663. The reversal of 28086884633 is 33648868082.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (28086884603) and next prime (28086884663).

It is a cyclic number.

It is not a de Polignac number, because 28086884633 - 2¹⁸ = 28086622489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28086884603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634235 + ... + 677072.

It is an arithmetic number, because the mean of its divisors is an integer number (7022054340).

Almost surely, 2^28086884633 is an apocalyptic number.

It is an amenable number.

28086884633 is a deficient number, since it is larger than the sum of its proper divisors (1332727).

28086884633 is a wasteful number, since it uses less digits than its factorization.

28086884633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332726.

The product of its (nonzero) digits is 10616832, while the sum is 56.

The spelling of 28086884633 in words is "twenty-eight billion, eighty-six million, eight hundred eighty-four thousand, six hundred thirty-three".