6455878223 has 2 divisors, whose sum is σ = 6455878224. Its totient is φ = 6455878222.

The previous prime is 6455878207. The next prime is 6455878291. The reversal of 6455878223 is 3228785546.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6455878223 - 2⁴ = 6455878207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6455878523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3227939111 + 3227939112.

It is an arithmetic number, because the mean of its divisors is an integer number (3227939112).

Almost surely, 2^6455878223 is an apocalyptic number.

6455878223 is a deficient number, since it is larger than the sum of its proper divisors (1).

6455878223 is an equidigital number, since it uses as much as digits as its factorization.

6455878223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3225600, while the sum is 50.

The square root of 6455878223 is about 80348.4799047250. The cubic root of 6455878223 is about 1862.0232947691.

The spelling of 6455878223 in words is "six billion, four hundred fifty-five million, eight hundred seventy-eight thousand, two hundred twenty-three".