67868807099 has 2 divisors, whose sum is σ = 67868807100. Its totient is φ = 67868807098.

The previous prime is 67868807059. The next prime is 67868807137. The reversal of 67868807099 is 99070886876.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67868807099 is a prime.

It is not a weakly prime, because it can be changed into another prime (67868807009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33934403549 + 33934403550.

It is an arithmetic number, because the mean of its divisors is an integer number (33934403550).

Almost surely, 2^67868807099 is an apocalyptic number.

67868807099 is a deficient number, since it is larger than the sum of its proper divisors (1).

67868807099 is an equidigital number, since it uses as much as digits as its factorization.

67868807099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73156608, while the sum is 68.

The spelling of 67868807099 in words is "sixty-seven billion, eight hundred sixty-eight million, eight hundred seven thousand, ninety-nine".