8278093673 has 4 divisors (see below), whose sum is σ = 8278338180. Its totient is φ = 8277849168.

The previous prime is 8278093669. The next prime is 8278093687. The reversal of 8278093673 is 3763908728.

It is a happy number.

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 6548531929 + 1729561744 = 80923^2 + 41588^2 .

It is a cyclic number.

It is not a de Polignac number, because 8278093673 - 2² = 8278093669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8278093573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61358 + ... + 142551.

It is an arithmetic number, because the mean of its divisors is an integer number (2069584545).

Almost surely, 2^8278093673 is an apocalyptic number.

It is an amenable number.

8278093673 is a deficient number, since it is larger than the sum of its proper divisors (244507).

8278093673 is a wasteful number, since it uses less digits than its factorization.

8278093673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244506.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The square root of 8278093673 is about 90984.0297689655. The cubic root of 8278093673 is about 2022.9110132913.

The spelling of 8278093673 in words is "eight billion, two hundred seventy-eight million, ninety-three thousand, six hundred seventy-three".