8078268673 has 4 divisors (see below), whose sum is σ = 8112939588. Its totient is φ = 8043597760.

The previous prime is 8078268661. The next prime is 8078268721. The reversal of 8078268673 is 3768628708.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1865203344 + 6213065329 = 43188^2 + 78823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8078268673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8078268643) 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 3 ways as a sum of consecutive naturals, for example, 17335108 + ... + 17335573.

It is an arithmetic number, because the mean of its divisors is an integer number (2028234897).

Almost surely, 2^8078268673 is an apocalyptic number.

It is an amenable number.

8078268673 is a deficient number, since it is larger than the sum of its proper divisors (34670915).

8078268673 is a wasteful number, since it uses less digits than its factorization.

8078268673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34670914.

The product of its (nonzero) digits is 5419008, while the sum is 55.

The square root of 8078268673 is about 89879.1893209991. The cubic root of 8078268673 is about 2006.5012334997.

The spelling of 8078268673 in words is "eight billion, seventy-eight million, two hundred sixty-eight thousand, six hundred seventy-three".