28677950166 has 8 divisors (see below), whose sum is σ = 57355900344. Its totient is φ = 9559316720.

The previous prime is 28677950149. The next prime is 28677950167. The reversal of 28677950166 is 66105977682.

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

28677950166 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28677950167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2389829175 + ... + 2389829186.

It is an arithmetic number, because the mean of its divisors is an integer number (7169487543).

Almost surely, 2^28677950166 is an apocalyptic number.

28677950166 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.

28677950166 is a wasteful number, since it uses less digits than its factorization.

28677950166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4779658366.

The product of its (nonzero) digits is 7620480, while the sum is 57.

The spelling of 28677950166 in words is "twenty-eight billion, six hundred seventy-seven million, nine hundred fifty thousand, one hundred sixty-six".