78575395163 has 4 divisors (see below), whose sum is σ = 78684680160. Its totient is φ = 78466110168.

The previous prime is 78575395111. The next prime is 78575395169. The reversal of 78575395163 is 36159357587.

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 78575395163 - 2²⁶ = 78508286299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78575395169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54641420 + ... + 54642857.

It is an arithmetic number, because the mean of its divisors is an integer number (19671170040).

Almost surely, 2^78575395163 is an apocalyptic number.

78575395163 is a deficient number, since it is larger than the sum of its proper divisors (109284997).

78575395163 is a wasteful number, since it uses less digits than its factorization.

78575395163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109284996.

The product of its digits is 23814000, while the sum is 59.

The spelling of 78575395163 in words is "seventy-eight billion, five hundred seventy-five million, three hundred ninety-five thousand, one hundred sixty-three".