8646477841 has 4 divisors (see below), whose sum is σ = 8647682800. Its totient is φ = 8645272884.

The previous prime is 8646477817. The next prime is 8646477863. The reversal of 8646477841 is 1487746468.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8646477841 - 2⁷ = 8646477713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8646447841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591651 + ... + 606088.

It is an arithmetic number, because the mean of its divisors is an integer number (2161920700).

Almost surely, 2^8646477841 is an apocalyptic number.

It is an amenable number.

8646477841 is a deficient number, since it is larger than the sum of its proper divisors (1204959).

8646477841 is a wasteful number, since it uses less digits than its factorization.

8646477841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204958.

The product of its digits is 7225344, while the sum is 55.

The square root of 8646477841 is about 92986.4390166652. The cubic root of 8646477841 is about 2052.4838297682.

The spelling of 8646477841 in words is "eight billion, six hundred forty-six million, four hundred seventy-seven thousand, eight hundred forty-one".