8868135823 has 4 divisors (see below), whose sum is σ = 9173933640. Its totient is φ = 8562338008.

The previous prime is 8868135797. The next prime is 8868135847. The reversal of 8868135823 is 3285318688.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8868135823 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 (8868135863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152898865 + ... + 152898922.

It is an arithmetic number, because the mean of its divisors is an integer number (2293483410).

Almost surely, 2^8868135823 is an apocalyptic number.

8868135823 is a deficient number, since it is larger than the sum of its proper divisors (305797817).

8868135823 is a wasteful number, since it uses less digits than its factorization.

8868135823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305797816.

The product of its digits is 2211840, while the sum is 52.

The square root of 8868135823 is about 94170.7800912788. The cubic root of 8868135823 is about 2069.8749660372.

The spelling of 8868135823 in words is "eight billion, eight hundred sixty-eight million, one hundred thirty-five thousand, eight hundred twenty-three".