947342712840 has 256 divisors, whose sum is σ = 2954617585920. Its totient is φ = 242833489920.

The previous prime is 947342712829. The next prime is 947342712857. The reversal of 947342712840 is 48217243749.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90588892 + ... + 90599348.

It is an arithmetic number, because the mean of its divisors is an integer number (11541474945).

Almost surely, 2^947342712840 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 947342712840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1477308792960).

947342712840 is an abundant number, since it is smaller than the sum of its proper divisors (2007274873080).

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

947342712840 is a wasteful number, since it uses less digits than its factorization.

947342712840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10792 (or 10788 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 947342712840 in words is "nine hundred forty-seven billion, three hundred forty-two million, seven hundred twelve thousand, eight hundred forty".