78468155165467 has 4 divisors (see below), whose sum is σ = 78487113409560. Its totient is φ = 78449196921376.

The previous prime is 78468155165447. The next prime is 78468155165591. The reversal of 78468155165467 is 76456155186487.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78468155165467 - 2²⁷ = 78468020947739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78468155165467.

It is not an unprimeable number, because it can be changed into a prime (78468155165447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9479115838 + ... + 9479124115.

It is an arithmetic number, because the mean of its divisors is an integer number (19621778352390).

Almost surely, 2^{78468155165467} is an apocalyptic number.

78468155165467 is a deficient number, since it is larger than the sum of its proper divisors (18958244093).

78468155165467 is a wasteful number, since it uses less digits than its factorization.

78468155165467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18958244092.

The product of its digits is 1354752000, while the sum is 73.

The spelling of 78468155165467 in words is "seventy-eight trillion, four hundred sixty-eight billion, one hundred fifty-five million, one hundred sixty-five thousand, four hundred sixty-seven".