712422779 has 2 divisors, whose sum is σ = 712422780. Its totient is φ = 712422778.

The previous prime is 712422773. The next prime is 712422793. The reversal of 712422779 is 977224217.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 712422779 - 2²⁴ = 695645563 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (712422773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356211389 + 356211390.

It is an arithmetic number, because the mean of its divisors is an integer number (356211390).

Almost surely, 2^712422779 is an apocalyptic number.

712422779 is a deficient number, since it is larger than the sum of its proper divisors (1).

712422779 is an equidigital number, since it uses as much as digits as its factorization.

712422779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98784, while the sum is 41.

The square root of 712422779 is about 26691.2491090245. The cubic root of 712422779 is about 893.1257257627.

The spelling of 712422779 in words is "seven hundred twelve million, four hundred twenty-two thousand, seven hundred seventy-nine".