947748193968 has 160 divisors (see below), whose sum is σ = 2593111173120. Its totient is φ = 297674403840.

The previous prime is 947748193963. The next prime is 947748194017. The reversal of 947748193968 is 869391847749.

It is a self number, because there is not a number n which added to its sum of digits gives 947748193968.

It is not an unprimeable number, because it can be changed into a prime (947748193963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26609580 + ... + 26645172.

It is an arithmetic number, because the mean of its divisors is an integer number (16206944832).

Almost surely, 2^947748193968 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 947748193968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1296555586560).

947748193968 is an abundant number, since it is smaller than the sum of its proper divisors (1645362979152).

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

947748193968 is a wasteful number, since it uses less digits than its factorization.

947748193968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35987 (or 35981 counting only the distinct ones).

The product of its digits is 658409472, while the sum is 75.

The spelling of 947748193968 in words is "nine hundred forty-seven billion, seven hundred forty-eight million, one hundred ninety-three thousand, nine hundred sixty-eight".