8678397834 has 40 divisors (see below), whose sum is σ = 19496170980. Its totient is φ = 2885341824.

The previous prime is 8678397829. The next prime is 8678397883. The reversal of 8678397834 is 4387938768.

It can be written as a sum of positive squares in 2 ways, for example, as 7723773225 + 954624609 = 87885^2 + 30897^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5839 + ... + 131874.

Almost surely, 2^8678397834 is an apocalyptic number.

8678397834 is an abundant number, since it is smaller than the sum of its proper divisors (10817773146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8678397834 is a wasteful number, since it uses less digits than its factorization.

8678397834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138116 (or 138107 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 63.

The square root of 8678397834 is about 93157.9187938417. The cubic root of 8678397834 is about 2055.0064297311.

The spelling of 8678397834 in words is "eight billion, six hundred seventy-eight million, three hundred ninety-seven thousand, eight hundred thirty-four".