78531114138367 has 16 divisors (see below), whose sum is σ = 86273617196160. Its totient is φ = 70889952794400.

The previous prime is 78531114138319. The next prime is 78531114138377. The reversal of 78531114138367 is 76383141113587.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78531114138367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78531114138377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17758509 + ... + 21735382.

It is an arithmetic number, because the mean of its divisors is an integer number (5392101074760).

Almost surely, 2^{78531114138367} is an apocalyptic number.

78531114138367 is a deficient number, since it is larger than the sum of its proper divisors (7742503057793).

78531114138367 is a wasteful number, since it uses less digits than its factorization.

78531114138367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39495174.

The product of its digits is 10160640, while the sum is 58.

The spelling of 78531114138367 in words is "seventy-eight trillion, five hundred thirty-one billion, one hundred fourteen million, one hundred thirty-eight thousand, three hundred sixty-seven".