712199879 has 2 divisors, whose sum is σ = 712199880. Its totient is φ = 712199878.

The previous prime is 712199867. The next prime is 712199897. The reversal of 712199879 is 978991217.

Together with next prime (712199897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 712199879 - 2⁴ = 712199863 is a prime.

It is a super-2 number, since 2×712199879² = 1014457335295229282, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 712199879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712129879) 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, 356099939 + 356099940.

It is an arithmetic number, because the mean of its divisors is an integer number (356099940).

Almost surely, 2^712199879 is an apocalyptic number.

712199879 is a deficient number, since it is larger than the sum of its proper divisors (1).

712199879 is an equidigital number, since it uses as much as digits as its factorization.

712199879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 53.

The square root of 712199879 is about 26687.0732565413. The cubic root of 712199879 is about 893.0325701740.

The spelling of 712199879 in words is "seven hundred twelve million, one hundred ninety-nine thousand, eight hundred seventy-nine".