28626303082785 has 16 divisors (see below), whose sum is σ = 45815528537856. Its totient is φ = 15262880442368.

The previous prime is 28626303082781. The next prime is 28626303082799. The reversal of 28626303082785 is 58728030362682.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28626303082785 - 2² = 28626303082781 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (28626303082781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280022304 + ... + 280124513.

It is an arithmetic number, because the mean of its divisors is an integer number (2863470533616).

Almost surely, 2^{28626303082785} is an apocalyptic number.

It is an amenable number.

28626303082785 is a deficient number, since it is larger than the sum of its proper divisors (17189225455071).

28626303082785 is a wasteful number, since it uses less digits than its factorization.

28626303082785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560150232.

The product of its (nonzero) digits is 46448640, while the sum is 60.

The spelling of 28626303082785 in words is "twenty-eight trillion, six hundred twenty-six billion, three hundred three million, eighty-two thousand, seven hundred eighty-five".