8947126909 has 8 divisors (see below), whose sum is σ = 10354722560. Its totient is φ = 7571889936.

The previous prime is 8947126901. The next prime is 8947126919. The reversal of 8947126909 is 9096217498.

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

It is a cyclic number.

It is not a de Polignac number, because 8947126909 - 2³ = 8947126901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8947126909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8947126901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8089074 + ... + 8090179.

It is an arithmetic number, because the mean of its divisors is an integer number (1294340320).

Almost surely, 2^8947126909 is an apocalyptic number.

It is an amenable number.

8947126909 is a deficient number, since it is larger than the sum of its proper divisors (1407595651).

8947126909 is a wasteful number, since it uses less digits than its factorization.

8947126909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16179339.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The square root of 8947126909 is about 94589.2536655195. The cubic root of 8947126909 is about 2076.0024698083.

The spelling of 8947126909 in words is "eight billion, nine hundred forty-seven million, one hundred twenty-six thousand, nine hundred nine".