154338118867 has 2 divisors, whose sum is σ = 154338118868. Its totient is φ = 154338118866.

The previous prime is 154338118787. The next prime is 154338118873. The reversal of 154338118867 is 768811833451.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154338118867 is a prime.

It is not a weakly prime, because it can be changed into another prime (154338118877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77169059433 + 77169059434.

It is an arithmetic number, because the mean of its divisors is an integer number (77169059434).

Almost surely, 2^154338118867 is an apocalyptic number.

154338118867 is a deficient number, since it is larger than the sum of its proper divisors (1).

154338118867 is an equidigital number, since it uses as much as digits as its factorization.

154338118867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3870720, while the sum is 55.

The spelling of 154338118867 in words is "one hundred fifty-four billion, three hundred thirty-eight million, one hundred eighteen thousand, eight hundred sixty-seven".