8943734128 has 40 divisors (see below), whose sum is σ = 20339234912. Its totient is φ = 3729431808.

The previous prime is 8943734101. The next prime is 8943734159. The reversal of 8943734128 is 8214373498.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074975 + ... + 1083262.

Almost surely, 2^8943734128 is an apocalyptic number.

It is an amenable number.

8943734128 is an abundant number, since it is smaller than the sum of its proper divisors (11395500784).

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

8943734128 is a wasteful number, since it uses less digits than its factorization.

8943734128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158289 (or 2158283 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The square root of 8943734128 is about 94571.3176814197. The cubic root of 8943734128 is about 2075.7400275632.

The spelling of 8943734128 in words is "eight billion, nine hundred forty-three million, seven hundred thirty-four thousand, one hundred twenty-eight".