8713657 has 4 divisors (see below), whose sum is σ = 8769316. Its totient is φ = 8658000.

The previous prime is 8713643. The next prime is 8713693. The reversal of 8713657 is 7563178.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4946176 + 3767481 = 2224^2 + 1941^2 .

It is a cyclic number.

It is not a de Polignac number, because 8713657 - 2¹⁹ = 8189369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8713157) 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, 27594 + ... + 27907.

It is an arithmetic number, because the mean of its divisors is an integer number (2192329).

Almost surely, 2^8713657 is an apocalyptic number.

It is an amenable number.

8713657 is a deficient number, since it is larger than the sum of its proper divisors (55659).

8713657 is a wasteful number, since it uses less digits than its factorization.

8713657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55658.

The product of its digits is 35280, while the sum is 37.

The square root of 8713657 is about 2951.8904112450. The cubic root of 8713657 is about 205.7785740933.

The spelling of 8713657 in words is "eight million, seven hundred thirteen thousand, six hundred fifty-seven".