947933113 has 4 divisors (see below), whose sum is σ = 948025828. Its totient is φ = 947840400.

The previous prime is 947933101. The next prime is 947933131. The reversal of 947933113 is 311339749.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 328769424 + 619163689 = 18132^2 + 24883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-947933113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (947933513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28806 + ... + 52207.

It is an arithmetic number, because the mean of its divisors is an integer number (237006457).

Almost surely, 2^947933113 is an apocalyptic number.

It is an amenable number.

947933113 is a deficient number, since it is larger than the sum of its proper divisors (92715).

947933113 is a wasteful number, since it uses less digits than its factorization.

947933113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92714.

The product of its digits is 61236, while the sum is 40.

The square root of 947933113 is about 30788.5224231368. The cubic root of 947933113 is about 982.3341256229.

The spelling of 947933113 in words is "nine hundred forty-seven million, nine hundred thirty-three thousand, one hundred thirteen".