204612126767 has 2 divisors, whose sum is σ = 204612126768. Its totient is φ = 204612126766.

The previous prime is 204612126751. The next prime is 204612126781. The reversal of 204612126767 is 767621216402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204612126767 - 2⁴ = 204612126751 is a prime.

It is a super-2 number, since 2×204612126767² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204612126707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102306063383 + 102306063384.

It is an arithmetic number, because the mean of its divisors is an integer number (102306063384).

Almost surely, 2^204612126767 is an apocalyptic number.

204612126767 is a deficient number, since it is larger than the sum of its proper divisors (1).

204612126767 is an equidigital number, since it uses as much as digits as its factorization.

204612126767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 204612126767 in words is "two hundred four billion, six hundred twelve million, one hundred twenty-six thousand, seven hundred sixty-seven".