212479667 has 2 divisors, whose sum is σ = 212479668. Its totient is φ = 212479666.

The previous prime is 212479639. The next prime is 212479691. The reversal of 212479667 is 766974212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212479667 - 2⁸ = 212479411 is a prime.

It is not a weakly prime, because it can be changed into another prime (212479867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106239833 + 106239834.

It is an arithmetic number, because the mean of its divisors is an integer number (106239834).

Almost surely, 2^212479667 is an apocalyptic number.

212479667 is a deficient number, since it is larger than the sum of its proper divisors (1).

212479667 is an equidigital number, since it uses as much as digits as its factorization.

212479667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 44.

The square root of 212479667 is about 14576.6823042831. The cubic root of 212479667 is about 596.7225623419.

The spelling of 212479667 in words is "two hundred twelve million, four hundred seventy-nine thousand, six hundred sixty-seven".