8256198674 has 8 divisors (see below), whose sum is σ = 12811342860. Its totient is φ = 3985751056.

The previous prime is 8256198673. The next prime is 8256198683. The reversal of 8256198674 is 4768916528.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7870351225 + 385847449 = 88715^2 + 19643^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (8256198673) 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, 71174069 + ... + 71174184.

Almost surely, 2^8256198674 is an apocalyptic number.

8256198674 is a deficient number, since it is larger than the sum of its proper divisors (4555144186).

8256198674 is a wasteful number, since it uses less digits than its factorization.

8256198674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142348284.

The product of its digits is 5806080, while the sum is 56.

The square root of 8256198674 is about 90863.6267931233. The cubic root of 8256198674 is about 2021.1259508802.

The spelling of 8256198674 in words is "eight billion, two hundred fifty-six million, one hundred ninety-eight thousand, six hundred seventy-four".