947797056 has 168 divisors, whose sum is σ = 2944697184. Its totient is φ = 290304000.

The previous prime is 947797043. The next prime is 947797091. The reversal of 947797056 is 650797749.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 947796993 and 947797011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 419931 + ... + 422181.

Almost surely, 2^947797056 is an apocalyptic number.

947797056 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 947797056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1472348592).

947797056 is an abundant number, since it is smaller than the sum of its proper divisors (1996900128).

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

947797056 is a wasteful number, since it uses less digits than its factorization.

947797056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329 (or 2316 counting only the distinct ones).

The product of its (nonzero) digits is 3333960, while the sum is 54.

The square root of 947797056 is about 30786.3128029324. The cubic root of 947797056 is about 982.2871251798.

The spelling of 947797056 in words is "nine hundred forty-seven million, seven hundred ninety-seven thousand, fifty-six".