9478166947 has 8 divisors (see below), whose sum is σ = 9806387040. Its totient is φ = 9150039360.

The previous prime is 9478166933. The next prime is 9478166983. The reversal of 9478166947 is 7496618749.

9478166947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9478166947 - 2³¹ = 7330683299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9478160947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233922 + ... + 271432.

It is an arithmetic number, because the mean of its divisors is an integer number (1225798380).

Almost surely, 2^9478166947 is an apocalyptic number.

9478166947 is a deficient number, since it is larger than the sum of its proper divisors (328220093).

9478166947 is a wasteful number, since it uses less digits than its factorization.

9478166947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46253.

The product of its digits is 18289152, while the sum is 61.

The square root of 9478166947 is about 97355.8778246080. The cubic root of 9478166947 is about 2116.2880746101.

The spelling of 9478166947 in words is "nine billion, four hundred seventy-eight million, one hundred sixty-six thousand, nine hundred forty-seven".