78713163 has 12 divisors (see below), whose sum is σ = 117617760. Its totient is φ = 50665776.

The previous prime is 78713161. The next prime is 78713197. The reversal of 78713163 is 36131787.

It is not a de Polignac number, because 78713163 - 2¹ = 78713161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78713161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150531 + ... + 151052.

It is an arithmetic number, because the mean of its divisors is an integer number (9801480).

Almost surely, 2^78713163 is an apocalyptic number.

78713163 is a deficient number, since it is larger than the sum of its proper divisors (38904597).

78713163 is a wasteful number, since it uses less digits than its factorization.

78713163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301618 (or 301615 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 78713163 is about 8872.0439020555. The cubic root of 78713163 is about 428.5640999223.

The spelling of 78713163 in words is "seventy-eight million, seven hundred thirteen thousand, one hundred sixty-three".