8509047932 has 48 divisors (see below), whose sum is σ = 19542324480. Its totient is φ = 3140726400.

The previous prime is 8509047919. The next prime is 8509047947. The reversal of 8509047932 is 2397409058.

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 15 ways as a sum of consecutive naturals, for example, 721169 + ... + 732872.

It is an arithmetic number, because the mean of its divisors is an integer number (407131760).

Almost surely, 2^8509047932 is an apocalyptic number.

It is an amenable number.

8509047932 is an abundant number, since it is smaller than the sum of its proper divisors (11033276548).

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

8509047932 is a wasteful number, since it uses less digits than its factorization.

8509047932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454082 (or 1454080 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 8509047932 is about 92244.5008225423. The cubic root of 8509047932 is about 2041.5514223671.

The spelling of 8509047932 in words is "eight billion, five hundred nine million, forty-seven thousand, nine hundred thirty-two".