712779799 has 2 divisors, whose sum is σ = 712779800. Its totient is φ = 712779798.

The previous prime is 712779797. The next prime is 712779827. The reversal of 712779799 is 997977217.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 712779799 - 2¹ = 712779797 is a prime.

Together with 712779797, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712779797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356389899 + 356389900.

It is an arithmetic number, because the mean of its divisors is an integer number (356389900).

Almost surely, 2^712779799 is an apocalyptic number.

712779799 is a deficient number, since it is larger than the sum of its proper divisors (1).

712779799 is an equidigital number, since it uses as much as digits as its factorization.

712779799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3500658, while the sum is 58.

The square root of 712779799 is about 26697.9362311022. The cubic root of 712779799 is about 893.2748930391.

The spelling of 712779799 in words is "seven hundred twelve million, seven hundred seventy-nine thousand, seven hundred ninety-nine".