255163928789 has 8 divisors (see below), whose sum is σ = 318126456768. Its totient is φ = 198829035360.

The previous prime is 255163928783. The next prime is 255163928813. The reversal of 255163928789 is 987829361552.

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

It is a cyclic number.

It is not a de Polignac number, because 255163928789 - 2⁸ = 255163928533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255163928783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1656908552 + ... + 1656908705.

It is an arithmetic number, because the mean of its divisors is an integer number (39765807096).

Almost surely, 2^255163928789 is an apocalyptic number.

It is an amenable number.

255163928789 is a deficient number, since it is larger than the sum of its proper divisors (62962527979).

255163928789 is a wasteful number, since it uses less digits than its factorization.

255163928789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313817275.

The product of its digits is 65318400, while the sum is 65.

The spelling of 255163928789 in words is "two hundred fifty-five billion, one hundred sixty-three million, nine hundred twenty-eight thousand, seven hundred eighty-nine".