8478761 has 4 divisors (see below), whose sum is σ = 8487552. Its totient is φ = 8469972.

The previous prime is 8478751. The next prime is 8478791. The reversal of 8478761 is 1678748.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8478761 - 2¹⁰ = 8477737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8478751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2741 + ... + 4946.

It is an arithmetic number, because the mean of its divisors is an integer number (2121888).

Almost surely, 2^8478761 is an apocalyptic number.

It is an amenable number.

8478761 is a deficient number, since it is larger than the sum of its proper divisors (8791).

8478761 is a wasteful number, since it uses less digits than its factorization.

8478761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8790.

The product of its digits is 75264, while the sum is 41.

The square root of 8478761 is about 2911.8312107675. The cubic root of 8478761 is about 203.9126323947.

It can be divided in two parts, 84787 and 61, that added together give a palindrome (84848).

The spelling of 8478761 in words is "eight million, four hundred seventy-eight thousand, seven hundred sixty-one".