28601823017 has 2 divisors, whose sum is σ = 28601823018. Its totient is φ = 28601823016.

The previous prime is 28601823001. The next prime is 28601823073. The reversal of 28601823017 is 71032810682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20237623081 + 8364199936 = 142259^2 + 91456^2 .

It is a cyclic number.

It is not a de Polignac number, because 28601823017 - 2⁴ = 28601823001 is a prime.

It is not a weakly prime, because it can be changed into another prime (28601823317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14300911508 + 14300911509.

It is an arithmetic number, because the mean of its divisors is an integer number (14300911509).

Almost surely, 2^28601823017 is an apocalyptic number.

It is an amenable number.

28601823017 is a deficient number, since it is larger than the sum of its proper divisors (1).

28601823017 is an equidigital number, since it uses as much as digits as its factorization.

28601823017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 28601823017 in words is "twenty-eight billion, six hundred one million, eight hundred twenty-three thousand, seventeen".