28866880194 has 8 divisors (see below), whose sum is σ = 57733760400. Its totient is φ = 9622293396.

The previous prime is 28866880193. The next prime is 28866880223. The reversal of 28866880194 is 49108866882.

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

28866880194 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (28866880193) 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, 2405573344 + ... + 2405573355.

It is an arithmetic number, because the mean of its divisors is an integer number (7216720050).

Almost surely, 2^28866880194 is an apocalyptic number.

28866880194 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.

28866880194 is a wasteful number, since it uses less digits than its factorization.

28866880194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4811146704.

The product of its (nonzero) digits is 10616832, while the sum is 60.

The spelling of 28866880194 in words is "twenty-eight billion, eight hundred sixty-six million, eight hundred eighty thousand, one hundred ninety-four".