648000079 has 2 divisors, whose sum is σ = 648000080. Its totient is φ = 648000078.

The previous prime is 648000047. The next prime is 648000083. The reversal of 648000079 is 970000846.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 648000079 - 2⁵ = 648000047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (648000179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324000039 + 324000040.

It is an arithmetic number, because the mean of its divisors is an integer number (324000040).

Almost surely, 2^648000079 is an apocalyptic number.

648000079 is a deficient number, since it is larger than the sum of its proper divisors (1).

648000079 is an equidigital number, since it uses as much as digits as its factorization.

648000079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 648000079 is about 25455.8456744222. The cubic root of 648000079 is about 865.3497773504.

The spelling of 648000079 in words is "six hundred forty-eight million, seventy-nine", and thus it is an aban number.