67650899 has 2 divisors, whose sum is σ = 67650900. Its totient is φ = 67650898.

The previous prime is 67650799. The next prime is 67650901. The reversal of 67650899 is 99805676.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67650899 - 2²⁰ = 66602323 is a prime.

Together with 67650901, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (67650799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33825449 + 33825450.

It is an arithmetic number, because the mean of its divisors is an integer number (33825450).

Almost surely, 2^67650899 is an apocalyptic number.

67650899 is a deficient number, since it is larger than the sum of its proper divisors (1).

67650899 is an equidigital number, since it uses as much as digits as its factorization.

67650899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 67650899 is about 8225.0166565181. The cubic root of 67650899 is about 407.4658262333.

The spelling of 67650899 in words is "sixty-seven million, six hundred fifty thousand, eight hundred ninety-nine".