9661477 has 18 divisors (see below), whose sum is σ = 11702898. Its totient is φ = 7947072.

The previous prime is 9661459. The next prime is 9661489. The reversal of 9661477 is 7741669.

It can be written as a sum of positive squares in 3 ways, for example, as 3896676 + 5764801 = 1974^2 + 2401^2 .

It is not a de Polignac number, because 9661477 - 2⁷ = 9661349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9661417) 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 17 ways as a sum of consecutive naturals, for example, 132313 + ... + 132385.

It is an arithmetic number, because the mean of its divisors is an integer number (650161).

Almost surely, 2^9661477 is an apocalyptic number.

It is an amenable number.

9661477 is a deficient number, since it is larger than the sum of its proper divisors (2041421).

9661477 is an equidigital number, since it uses as much as digits as its factorization.

9661477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 117 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 9661477 is about 3108.2916529824. The cubic root of 9661477 is about 212.9844228802.

The spelling of 9661477 in words is "nine million, six hundred sixty-one thousand, four hundred seventy-seven".