8973909000 has 1280 divisors, whose sum is σ = 40772160000. Its totient is φ = 1828915200.

The previous prime is 8973908987. The next prime is 8973909041. The reversal of 8973909000 is 9093798.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 472310991 + ... + 472311009.

It is an arithmetic number, because the mean of its divisors is an integer number (31853250).

Almost surely, 2^8973909000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8973909000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20386080000).

8973909000 is an abundant number, since it is smaller than the sum of its proper divisors (31798251000).

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

8973909000 is a wasteful number, since it uses less digits than its factorization.

8973909000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 8973909000 is about 94730.7183547132. The cubic root of 8973909000 is about 2078.0718232007.

The spelling of 8973909000 in words is "eight billion, nine hundred seventy-three million, nine hundred nine thousand".