28696440599 has 2 divisors, whose sum is σ = 28696440600. Its totient is φ = 28696440598.

The previous prime is 28696440593. The next prime is 28696440683. The reversal of 28696440599 is 99504469682.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28696440599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28696440593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14348220299 + 14348220300.

It is an arithmetic number, because the mean of its divisors is an integer number (14348220300).

Almost surely, 2^28696440599 is an apocalyptic number.

28696440599 is a deficient number, since it is larger than the sum of its proper divisors (1).

28696440599 is an equidigital number, since it uses as much as digits as its factorization.

28696440599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33592320, while the sum is 62.

The spelling of 28696440599 in words is "twenty-eight billion, six hundred ninety-six million, four hundred forty thousand, five hundred ninety-nine".