7868108923 has 2 divisors, whose sum is σ = 7868108924. Its totient is φ = 7868108922.

The previous prime is 7868108917. The next prime is 7868108947. The reversal of 7868108923 is 3298018687.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7868108923 - 2²⁹ = 7331238011 is a prime.

It is not a weakly prime, because it can be changed into another prime (7868108993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3934054461 + 3934054462.

It is an arithmetic number, because the mean of its divisors is an integer number (3934054462).

Almost surely, 2^7868108923 is an apocalyptic number.

7868108923 is a deficient number, since it is larger than the sum of its proper divisors (1).

7868108923 is an equidigital number, since it uses as much as digits as its factorization.

7868108923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 52.

The square root of 7868108923 is about 88702.3614285437. The cubic root of 7868108923 is about 1988.9481173552.

The spelling of 7868108923 in words is "seven billion, eight hundred sixty-eight million, one hundred eight thousand, nine hundred twenty-three".