8671768938 has 24 divisors (see below), whose sum is σ = 21472951968. Its totient is φ = 2477648232.

The previous prime is 8671768873. The next prime is 8671768939. The reversal of 8671768938 is 8398671768.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (8671768939) 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 11 ways as a sum of consecutive naturals, for example, 34411656 + ... + 34411907.

It is an arithmetic number, because the mean of its divisors is an integer number (894706332).

Almost surely, 2^8671768938 is an apocalyptic number.

8671768938 is an abundant number, since it is smaller than the sum of its proper divisors (12801183030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8671768938 is a wasteful number, since it uses less digits than its factorization.

8671768938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68823578 (or 68823575 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 63.

The square root of 8671768938 is about 93122.3331859764. Note that the first 3 decimals coincide. The cubic root of 8671768938 is about 2054.4830653160.

The spelling of 8671768938 in words is "eight billion, six hundred seventy-one million, seven hundred sixty-eight thousand, nine hundred thirty-eight".