28239073166 has 8 divisors (see below), whose sum is σ = 42389600400. Its totient is φ = 14109206368.

The previous prime is 28239073157. The next prime is 28239073231. The reversal of 28239073166 is 66137093282.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28239073166.

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, 5161691 + ... + 5167158.

It is an arithmetic number, because the mean of its divisors is an integer number (5298700050).

Almost surely, 2^28239073166 is an apocalyptic number.

28239073166 is a deficient number, since it is larger than the sum of its proper divisors (14150527234).

28239073166 is a wasteful number, since it uses less digits than its factorization.

28239073166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10330218.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 28239073166 in words is "twenty-eight billion, two hundred thirty-nine million, seventy-three thousand, one hundred sixty-six".