28264495065 has 16 divisors (see below), whose sum is σ = 45365859648. Its totient is φ = 15026841536.

The previous prime is 28264495031. The next prime is 28264495079. The reversal of 28264495065 is 56059446282.

It is a cyclic number.

It is not a de Polignac number, because 28264495065 - 2⁸ = 28264494809 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28264494999 and 28264495017.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2967327 + ... + 2976836.

It is an arithmetic number, because the mean of its divisors is an integer number (2835366228).

Almost surely, 2^28264495065 is an apocalyptic number.

It is an amenable number.

28264495065 is a deficient number, since it is larger than the sum of its proper divisors (17101364583).

28264495065 is a wasteful number, since it uses less digits than its factorization.

28264495065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5944488.

The product of its (nonzero) digits is 4147200, while the sum is 51.

The spelling of 28264495065 in words is "twenty-eight billion, two hundred sixty-four million, four hundred ninety-five thousand, sixty-five".