947963147 has 16 divisors (see below), whose sum is σ = 998231040. Its totient is φ = 898497600.

The previous prime is 947963087. The next prime is 947963153. The reversal of 947963147 is 741369749.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 947963147 - 2¹⁰ = 947962123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 947963095 and 947963104.

It is not an unprimeable number, because it can be changed into a prime (947963647) 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 15 ways as a sum of consecutive naturals, for example, 1819247 + ... + 1819767.

It is an arithmetic number, because the mean of its divisors is an integer number (62389440).

Almost surely, 2^947963147 is an apocalyptic number.

947963147 is a deficient number, since it is larger than the sum of its proper divisors (50267893).

947963147 is a wasteful number, since it uses less digits than its factorization.

947963147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114.

The product of its digits is 1143072, while the sum is 50.

The square root of 947963147 is about 30789.0101659667. The cubic root of 947963147 is about 982.3445001634.

The spelling of 947963147 in words is "nine hundred forty-seven million, nine hundred sixty-three thousand, one hundred forty-seven".