8147688434 has 8 divisors (see below), whose sum is σ = 12227867568. Its totient is φ = 4071732580.

The previous prime is 8147688427. The next prime is 8147688457. The reversal of 8147688434 is 4348867418.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050992 + ... + 1058715.

It is an arithmetic number, because the mean of its divisors is an integer number (1528483446).

Almost surely, 2^8147688434 is an apocalyptic number.

8147688434 is a deficient number, since it is larger than the sum of its proper divisors (4080179134).

8147688434 is a wasteful number, since it uses less digits than its factorization.

8147688434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111640.

The product of its digits is 4128768, while the sum is 53.

The square root of 8147688434 is about 90264.5469384298. The cubic root of 8147688434 is about 2012.2324011515.

The spelling of 8147688434 in words is "eight billion, one hundred forty-seven million, six hundred eighty-eight thousand, four hundred thirty-four".