947582947 has 4 divisors (see below), whose sum is σ = 949197816. Its totient is φ = 945968080.

The previous prime is 947582879. The next prime is 947582971. The reversal of 947582947 is 749285749.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749285749 = 89 ⋅8418941.

It is a cyclic number.

It is not a de Polignac number, because 947582947 - 2¹¹ = 947580899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (947582747) 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, 806554 + ... + 807727.

It is an arithmetic number, because the mean of its divisors is an integer number (237299454).

Almost surely, 2^947582947 is an apocalyptic number.

947582947 is a deficient number, since it is larger than the sum of its proper divisors (1614869).

947582947 is a wasteful number, since it uses less digits than its factorization.

947582947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614868.

The product of its digits is 5080320, while the sum is 55.

The square root of 947582947 is about 30782.8352657776. The cubic root of 947582947 is about 982.2131528205.

The spelling of 947582947 in words is "nine hundred forty-seven million, five hundred eighty-two thousand, nine hundred forty-seven".