6508778323 has 2 divisors, whose sum is σ = 6508778324. Its totient is φ = 6508778322.

The previous prime is 6508778231. The next prime is 6508778327. The reversal of 6508778323 is 3238778056.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6508778323 is a prime.

It is not a weakly prime, because it can be changed into another prime (6508778327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3254389161 + 3254389162.

It is an arithmetic number, because the mean of its divisors is an integer number (3254389162).

Almost surely, 2^6508778323 is an apocalyptic number.

6508778323 is a deficient number, since it is larger than the sum of its proper divisors (1).

6508778323 is an equidigital number, since it uses as much as digits as its factorization.

6508778323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The square root of 6508778323 is about 80676.9999628147. Note that the first 4 decimals coincide. The cubic root of 6508778323 is about 1867.0953335285.

The spelling of 6508778323 in words is "six billion, five hundred eight million, seven hundred seventy-eight thousand, three hundred twenty-three".