78468155311207 has 2 divisors, whose sum is σ = 78468155311208. Its totient is φ = 78468155311206.

The previous prime is 78468155311181. The next prime is 78468155311241. The reversal of 78468155311207 is 70211355186487.

It is a weak prime.

It is an emirp because it is prime and its reverse (70211355186487) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78468155311207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78468155311267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39234077655603 + 39234077655604.

It is an arithmetic number, because the mean of its divisors is an integer number (39234077655604).

Almost surely, 2^{78468155311207} is an apocalyptic number.

78468155311207 is a deficient number, since it is larger than the sum of its proper divisors (1).

78468155311207 is an equidigital number, since it uses as much as digits as its factorization.

78468155311207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11289600, while the sum is 58.

The spelling of 78468155311207 in words is "seventy-eight trillion, four hundred sixty-eight billion, one hundred fifty-five million, three hundred eleven thousand, two hundred seven".