8855957923 has 2 divisors, whose sum is σ = 8855957924. Its totient is φ = 8855957922.

The previous prime is 8855957839. The next prime is 8855957963. The reversal of 8855957923 is 3297595588.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8855957923 is a prime.

It is not a weakly prime, because it can be changed into another prime (8855957963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4427978961 + 4427978962.

It is an arithmetic number, because the mean of its divisors is an integer number (4427978962).

Almost surely, 2^8855957923 is an apocalyptic number.

8855957923 is a deficient number, since it is larger than the sum of its proper divisors (1).

8855957923 is an equidigital number, since it uses as much as digits as its factorization.

8855957923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216000, while the sum is 61.

The square root of 8855957923 is about 94106.0992869219. The cubic root of 8855957923 is about 2068.9270675615.

The spelling of 8855957923 in words is "eight billion, eight hundred fifty-five million, nine hundred fifty-seven thousand, nine hundred twenty-three".