8547434434 has 32 divisors (see below), whose sum is σ = 16116953472. Its totient is φ = 3330162000.

The previous prime is 8547434431. The next prime is 8547434443. The reversal of 8547434434 is 4344347458.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8547434431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210717 + ... + 247984.

It is an arithmetic number, because the mean of its divisors is an integer number (503654796).

Almost surely, 2^8547434434 is an apocalyptic number.

8547434434 is a deficient number, since it is larger than the sum of its proper divisors (7569519038).

8547434434 is a wasteful number, since it uses less digits than its factorization.

8547434434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458743 (or 458721 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 46.

The square root of 8547434434 is about 92452.3360115903. The cubic root of 8547434434 is about 2044.6168051126.

The spelling of 8547434434 in words is "eight billion, five hundred forty-seven million, four hundred thirty-four thousand, four hundred thirty-four".