8700087509 has 2 divisors, whose sum is σ = 8700087510. Its totient is φ = 8700087508.

The previous prime is 8700087499. The next prime is 8700087523. The reversal of 8700087509 is 9057800078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8597369284 + 102718225 = 92722^2 + 10135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8700087509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8700087509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8700080509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4350043754 + 4350043755.

It is an arithmetic number, because the mean of its divisors is an integer number (4350043755).

Almost surely, 2^8700087509 is an apocalyptic number.

It is an amenable number.

8700087509 is a deficient number, since it is larger than the sum of its proper divisors (1).

8700087509 is an equidigital number, since it uses as much as digits as its factorization.

8700087509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 8700087509 is about 93274.2596271876. The cubic root of 8700087509 is about 2056.7170119930.

The spelling of 8700087509 in words is "eight billion, seven hundred million, eighty-seven thousand, five hundred nine".