28745965158 has 8 divisors (see below), whose sum is σ = 57491930328. Its totient is φ = 9581988384.

The previous prime is 28745965151. The next prime is 28745965181. The reversal of 28745965158 is 85156954782.

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

28745965158 is an admirable number.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28745965151) 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, 2395497091 + ... + 2395497102.

It is an arithmetic number, because the mean of its divisors is an integer number (7186491291).

Almost surely, 2^28745965158 is an apocalyptic number.

28745965158 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.

28745965158 is a wasteful number, since it uses less digits than its factorization.

28745965158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4790994198.

The product of its digits is 24192000, while the sum is 60.

The spelling of 28745965158 in words is "twenty-eight billion, seven hundred forty-five million, nine hundred sixty-five thousand, one hundred fifty-eight".