8633338678231 has 2 divisors, whose sum is σ = 8633338678232. Its totient is φ = 8633338678230.

The previous prime is 8633338678187. The next prime is 8633338678291. The reversal of 8633338678231 is 1328768333368.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8633338678231 - 2⁷ = 8633338678103 is a prime.

It is a super-2 number, since 2×8633338678231² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8633338678231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8633338678291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4316669339115 + 4316669339116.

It is an arithmetic number, because the mean of its divisors is an integer number (4316669339116).

Almost surely, 2^{8633338678231} is an apocalyptic number.

8633338678231 is a deficient number, since it is larger than the sum of its proper divisors (1).

8633338678231 is an equidigital number, since it uses as much as digits as its factorization.

8633338678231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62705664, while the sum is 61.

The spelling of 8633338678231 in words is "eight trillion, six hundred thirty-three billion, three hundred thirty-eight million, six hundred seventy-eight thousand, two hundred thirty-one".