28060623065 has 8 divisors (see below), whose sum is σ = 33675720840. Its totient is φ = 22446516352.

The previous prime is 28060623049. The next prime is 28060623083. The reversal of 28060623065 is 56032606082.

It can be written as a sum of positive squares in 4 ways, for example, as 11582279641 + 16478343424 = 107621^2 + 128368^2 .

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 28060623065 - 2⁴ = 28060623049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183980 + ... + 299949.

It is an arithmetic number, because the mean of its divisors is an integer number (4209465105).

Almost surely, 2^28060623065 is an apocalyptic number.

It is an amenable number.

28060623065 is a deficient number, since it is larger than the sum of its proper divisors (5615097775).

28060623065 is a wasteful number, since it uses less digits than its factorization.

28060623065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495531.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 28060623065 in words is "twenty-eight billion, sixty million, six hundred twenty-three thousand, sixty-five".