28633686866654 has 8 divisors (see below), whose sum is σ = 42989683020048. Its totient is φ = 14303792526640.

The previous prime is 28633686866593. The next prime is 28633686866683. The reversal of 28633686866654 is 45666868633682.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6525450602 + ... + 6525454989.

It is an arithmetic number, because the mean of its divisors is an integer number (5373710377506).

Almost surely, 2^{28633686866654} is an apocalyptic number.

28633686866654 is a deficient number, since it is larger than the sum of its proper divisors (14355996153394).

28633686866654 is a wasteful number, since it uses less digits than its factorization.

28633686866654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13050906690.

The product of its digits is 8599633920, while the sum is 77.

The spelling of 28633686866654 in words is "twenty-eight trillion, six hundred thirty-three billion, six hundred eighty-six million, eight hundred sixty-six thousand, six hundred fifty-four".