8956629823 has 2 divisors, whose sum is σ = 8956629824. Its totient is φ = 8956629822.

The previous prime is 8956629797. The next prime is 8956629839. The reversal of 8956629823 is 3289266598.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8956629823 is a prime.

It is a super-2 number, since 2×8956629823² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8956621823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4478314911 + 4478314912.

It is an arithmetic number, because the mean of its divisors is an integer number (4478314912).

Almost surely, 2^8956629823 is an apocalyptic number.

8956629823 is a deficient number, since it is larger than the sum of its proper divisors (1).

8956629823 is an equidigital number, since it uses as much as digits as its factorization.

8956629823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11197440, while the sum is 58.

The square root of 8956629823 is about 94639.4728588447. The cubic root of 8956629823 is about 2076.7371970093.

The spelling of 8956629823 in words is "eight billion, nine hundred fifty-six million, six hundred twenty-nine thousand, eight hundred twenty-three".