67893530897 has 2 divisors, whose sum is σ = 67893530898. Its totient is φ = 67893530896.

The previous prime is 67893530867. The next prime is 67893530923. The reversal of 67893530897 is 79803539876.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60317395216 + 7576135681 = 245596^2 + 87041^2 .

It is a cyclic number.

It is not a de Polignac number, because 67893530897 - 2²⁰ = 67892482321 is a prime.

It is not a weakly prime, because it can be changed into another prime (67893530867) 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, 33946765448 + 33946765449.

It is an arithmetic number, because the mean of its divisors is an integer number (33946765449).

Almost surely, 2^67893530897 is an apocalyptic number.

It is an amenable number.

67893530897 is a deficient number, since it is larger than the sum of its proper divisors (1).

67893530897 is an equidigital number, since it uses as much as digits as its factorization.

67893530897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68584320, while the sum is 65.

The spelling of 67893530897 in words is "sixty-seven billion, eight hundred ninety-three million, five hundred thirty thousand, eight hundred ninety-seven".