947969568 has 240 divisors, whose sum is σ = 3432179520. Its totient is φ = 249951744.

The previous prime is 947969567. The next prime is 947969573. The reversal of 947969568 is 865969749.

It is a happy number.

947969568 is a `hidden beast` number, since 9 + 4 + 7 + 9 + 69 + 568 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (947969567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 233863 + ... + 237881.

It is an arithmetic number, because the mean of its divisors is an integer number (14300748).

Almost surely, 2^947969568 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 947969568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1716089760).

947969568 is an abundant number, since it is smaller than the sum of its proper divisors (2484209952).

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

947969568 is a wasteful number, since it uses less digits than its factorization.

947969568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061 (or 4044 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 63.

The square root of 947969568 is about 30789.1144400095. The cubic root of 947969568 is about 982.3467181188.

The spelling of 947969568 in words is "nine hundred forty-seven million, nine hundred sixty-nine thousand, five hundred sixty-eight".