28682868115823 has 16 divisors (see below), whose sum is σ = 30474869095680. Its totient is φ = 26944444993536.

The previous prime is 28682868115771. The next prime is 28682868115831. The reversal of 28682868115823 is 32851186828682.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28682868115823 - 2²² = 28682863921519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28682868118823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33780386 + ... + 34619072.

It is an arithmetic number, because the mean of its divisors is an integer number (1904679318480).

Almost surely, 2^{28682868115823} is an apocalyptic number.

28682868115823 is a deficient number, since it is larger than the sum of its proper divisors (1792000979857).

28682868115823 is a wasteful number, since it uses less digits than its factorization.

28682868115823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870626.

The product of its digits is 141557760, while the sum is 68.

The spelling of 28682868115823 in words is "twenty-eight trillion, six hundred eighty-two billion, eight hundred sixty-eight million, one hundred fifteen thousand, eight hundred twenty-three".