78467068173264 has 20 divisors (see below), whose sum is σ = 202706592781056. Its totient is φ = 26155689391072.

The previous prime is 78467068173257. The next prime is 78467068173283. The reversal of 78467068173264 is 46237186076487.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817365293424 + ... + 817365293519.

Almost surely, 2^{78467068173264} is an apocalyptic number.

It is an amenable number.

78467068173264 is an abundant number, since it is smaller than the sum of its proper divisors (124239524607792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78467068173264 is a wasteful number, since it uses less digits than its factorization.

78467068173264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634730586954 (or 1634730586948 counting only the distinct ones).

The product of its (nonzero) digits is 455196672, while the sum is 69.

The spelling of 78467068173264 in words is "seventy-eight trillion, four hundred sixty-seven billion, sixty-eight million, one hundred seventy-three thousand, two hundred sixty-four".