78713183 has 4 divisors (see below), whose sum is σ = 78746928. Its totient is φ = 78679440.

The previous prime is 78713161. The next prime is 78713197. The reversal of 78713183 is 38131787.

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 78713183 - 2²⁰ = 77664607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78713083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13091 + ... + 18132.

It is an arithmetic number, because the mean of its divisors is an integer number (19686732).

Almost surely, 2^78713183 is an apocalyptic number.

78713183 is a deficient number, since it is larger than the sum of its proper divisors (33745).

78713183 is a wasteful number, since it uses less digits than its factorization.

78713183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33744.

The product of its digits is 28224, while the sum is 38.

The square root of 78713183 is about 8872.0450291914. The cubic root of 78713183 is about 428.5641362198.

The spelling of 78713183 in words is "seventy-eight million, seven hundred thirteen thousand, one hundred eighty-three".