78966343 has 8 divisors (see below), whose sum is σ = 85189968. Its totient is φ = 72918144.

The previous prime is 78966323. The next prime is 78966347. The reversal of 78966343 is 34366987.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78966343 - 2⁵ = 78966311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78966293 and 78966302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78966347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42921 + ... + 44722.

It is an arithmetic number, because the mean of its divisors is an integer number (10648746).

Almost surely, 2^78966343 is an apocalyptic number.

78966343 is a deficient number, since it is larger than the sum of its proper divisors (6223625).

78966343 is a wasteful number, since it uses less digits than its factorization.

78966343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87713.

The product of its digits is 653184, while the sum is 46.

The square root of 78966343 is about 8886.3008614384. The cubic root of 78966343 is about 429.0230986815.

The spelling of 78966343 in words is "seventy-eight million, nine hundred sixty-six thousand, three hundred forty-three".