8487117 has 6 divisors (see below), whose sum is σ = 12259182. Its totient is φ = 5658072.

The previous prime is 8487103. The next prime is 8487121. The reversal of 8487117 is 7117848.

It can be written as a sum of positive squares in only one way, i.e., 5171076 + 3316041 = 2274^2 + 1821^2 .

It is not a de Polignac number, because 8487117 - 2¹¹ = 8485069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8487137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 471498 + ... + 471515.

It is an arithmetic number, because the mean of its divisors is an integer number (2043197).

Almost surely, 2^8487117 is an apocalyptic number.

It is an amenable number.

8487117 is a deficient number, since it is larger than the sum of its proper divisors (3772065).

8487117 is a wasteful number, since it uses less digits than its factorization.

8487117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943019 (or 943016 counting only the distinct ones).

The product of its digits is 12544, while the sum is 36.

The square root of 8487117 is about 2913.2656933414. The cubic root of 8487117 is about 203.9795971521.

The spelling of 8487117 in words is "eight million, four hundred eighty-seven thousand, one hundred seventeen".