67897867199 has 2 divisors, whose sum is σ = 67897867200. Its totient is φ = 67897867198.

The previous prime is 67897867159. The next prime is 67897867223. The reversal of 67897867199 is 99176879876.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67897867199 - 2²⁸ = 67629431743 is a prime.

It is a super-2 number, since 2×67897867199² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67897867139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33948933599 + 33948933600.

It is an arithmetic number, because the mean of its divisors is an integer number (33948933600).

Almost surely, 2^67897867199 is an apocalyptic number.

67897867199 is a deficient number, since it is larger than the sum of its proper divisors (1).

67897867199 is an equidigital number, since it uses as much as digits as its factorization.

67897867199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576108288, while the sum is 77.

The spelling of 67897867199 in words is "sixty-seven billion, eight hundred ninety-seven million, eight hundred sixty-seven thousand, one hundred ninety-nine".