8678631823 has 2 divisors, whose sum is σ = 8678631824. Its totient is φ = 8678631822.

The previous prime is 8678631817. The next prime is 8678631917. The reversal of 8678631823 is 3281368768.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8678631823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8678631803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4339315911 + 4339315912.

It is an arithmetic number, because the mean of its divisors is an integer number (4339315912).

Almost surely, 2^8678631823 is an apocalyptic number.

8678631823 is a deficient number, since it is larger than the sum of its proper divisors (1).

8678631823 is an equidigital number, since it uses as much as digits as its factorization.

8678631823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 52.

The square root of 8678631823 is about 93159.1746582160. The cubic root of 8678631823 is about 2055.0248987537.

The spelling of 8678631823 in words is "eight billion, six hundred seventy-eight million, six hundred thirty-one thousand, eight hundred twenty-three".