620316079 has 2 divisors, whose sum is σ = 620316080. Its totient is φ = 620316078.

The previous prime is 620316031. The next prime is 620316091. The reversal of 620316079 is 970613026.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 620316079 - 2⁷ = 620315951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620316379) 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, 310158039 + 310158040.

It is an arithmetic number, because the mean of its divisors is an integer number (310158040).

Almost surely, 2^620316079 is an apocalyptic number.

620316079 is a deficient number, since it is larger than the sum of its proper divisors (1).

620316079 is an equidigital number, since it uses as much as digits as its factorization.

620316079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 620316079 is about 24906.1454063048. The cubic root of 620316079 is about 852.8467775622.

The spelling of 620316079 in words is "six hundred twenty million, three hundred sixteen thousand, seventy-nine".