8947067220 has 480 divisors, whose sum is σ = 34875042048. Its totient is φ = 1869723648.

The previous prime is 8947067209. The next prime is 8947067243. The reversal of 8947067220 is 227607498.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 20196319 + ... + 20196761.

Almost surely, 2^8947067220 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 8947067220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17437521024).

8947067220 is an abundant number, since it is smaller than the sum of its proper divisors (25927974828).

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

8947067220 is a wasteful number, since it uses less digits than its factorization.

8947067220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 8947067220 is about 94588.9381481788. The cubic root of 8947067220 is about 2075.9978532505.

The spelling of 8947067220 in words is "eight billion, nine hundred forty-seven million, sixty-seven thousand, two hundred twenty".