78885412086967 has 2 divisors, whose sum is σ = 78885412086968. Its totient is φ = 78885412086966.

The previous prime is 78885412086947. The next prime is 78885412086989. The reversal of 78885412086967 is 76968021458887.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78885412086967 - 2²³ = 78885403698359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78885412086947) 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 as a sum of consecutive naturals, namely, 39442706043483 + 39442706043484.

It is an arithmetic number, because the mean of its divisors is an integer number (39442706043484).

Almost surely, 2^{78885412086967} is an apocalyptic number.

78885412086967 is a deficient number, since it is larger than the sum of its proper divisors (1).

78885412086967 is an equidigital number, since it uses as much as digits as its factorization.

78885412086967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2601123840, while the sum is 79.

The spelling of 78885412086967 in words is "seventy-eight trillion, eight hundred eighty-five billion, four hundred twelve million, eighty-six thousand, nine hundred sixty-seven".