8256842338 has 4 divisors (see below), whose sum is σ = 12385263510. Its totient is φ = 4128421168.

The previous prime is 8256842311. The next prime is 8256842339. The reversal of 8256842338 is 8332486528.

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

It can be written as a sum of positive squares in only one way, i.e., 5985652689 + 2271189649 = 77367^2 + 47657^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8256842291 and 8256842300.

It is not an unprimeable number, because it can be changed into a prime (8256842339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2064210583 + ... + 2064210586.

Almost surely, 2^8256842338 is an apocalyptic number.

8256842338 is a deficient number, since it is larger than the sum of its proper divisors (4128421172).

8256842338 is a wasteful number, since it uses less digits than its factorization.

8256842338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4128421171.

The product of its digits is 2211840, while the sum is 49.

The square root of 8256842338 is about 90867.1686474273. The cubic root of 8256842338 is about 2021.1784727190.

The spelling of 8256842338 in words is "eight billion, two hundred fifty-six million, eight hundred forty-two thousand, three hundred thirty-eight".