28173200766 has 8 divisors (see below), whose sum is σ = 56346401544. Its totient is φ = 9391066920.

The previous prime is 28173200707. The next prime is 28173200771. The reversal of 28173200766 is 66700237182.

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

28173200766 is an admirable number.

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, 2347766725 + ... + 2347766736.

It is an arithmetic number, because the mean of its divisors is an integer number (7043300193).

Almost surely, 2^28173200766 is an apocalyptic number.

28173200766 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28173200766 is a wasteful number, since it uses less digits than its factorization.

28173200766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4695533466.

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 28173200766 in words is "twenty-eight billion, one hundred seventy-three million, two hundred thousand, seven hundred sixty-six".