8700869 has 2 divisors, whose sum is σ = 8700870. Its totient is φ = 8700868.

The previous prime is 8700833. The next prime is 8700871. The reversal of 8700869 is 9680078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8196769 + 504100 = 2863^2 + 710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8700869 is a prime.

It is a super-2 number, since 2×8700869² = 151410242710322, which contains 22 as substring.

Together with 8700871, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₅₈₃₇₆₉ and since 8700869 and 583769 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8700169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4350434 + 4350435.

It is an arithmetic number, because the mean of its divisors is an integer number (4350435).

Almost surely, 2^8700869 is an apocalyptic number.

It is an amenable number.

8700869 is a deficient number, since it is larger than the sum of its proper divisors (1).

8700869 is an equidigital number, since it uses as much as digits as its factorization.

8700869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 8700869 is about 2949.7235463684. The cubic root of 8700869 is about 205.6778592129.

The spelling of 8700869 in words is "eight million, seven hundred thousand, eight hundred sixty-nine".