5678418997 has 2 divisors, whose sum is σ = 5678418998. Its totient is φ = 5678418996.

The previous prime is 5678418961. The next prime is 5678419007. The reversal of 5678418997 is 7998148765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3663396676 + 2015022321 = 60526^2 + 44889^2 .

It is a cyclic number.

It is not a de Polignac number, because 5678418997 - 2²⁷ = 5544201269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5678418197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2839209498 + 2839209499.

It is an arithmetic number, because the mean of its divisors is an integer number (2839209499).

Almost surely, 2^5678418997 is an apocalyptic number.

It is an amenable number.

5678418997 is a deficient number, since it is larger than the sum of its proper divisors (1).

5678418997 is an equidigital number, since it uses as much as digits as its factorization.

5678418997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30481920, while the sum is 64.

The square root of 5678418997 is about 75355.2851298434. The cubic root of 5678418997 is about 1784.0587218709.

The spelling of 5678418997 in words is "five billion, six hundred seventy-eight million, four hundred eighteen thousand, nine hundred ninety-seven".