28753456165 has 8 divisors (see below), whose sum is σ = 39433311360. Its totient is φ = 19716655632.

The previous prime is 28753456163. The next prime is 28753456201. The reversal of 28753456165 is 56165435782.

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 28753456165 - 2¹ = 28753456163 is a prime.

It is a super-2 number, since 2×28753456165² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28753456163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410763625 + ... + 410763694.

It is an arithmetic number, because the mean of its divisors is an integer number (4929163920).

Almost surely, 2^28753456165 is an apocalyptic number.

It is an amenable number.

28753456165 is a deficient number, since it is larger than the sum of its proper divisors (10679855195).

28753456165 is an equidigital number, since it uses as much as digits as its factorization.

28753456165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821527331.

The product of its digits is 6048000, while the sum is 52.

The spelling of 28753456165 in words is "twenty-eight billion, seven hundred fifty-three million, four hundred fifty-six thousand, one hundred sixty-five".