6887365609 has 2 divisors, whose sum is σ = 6887365610. Its totient is φ = 6887365608.

The previous prime is 6887365559. The next prime is 6887365633. The reversal of 6887365609 is 9065637886.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5798365609 + 1089000000 = 76147^2 + 33000^2 .

It is a cyclic number.

It is not a de Polignac number, because 6887365609 - 2¹³ = 6887357417 is a prime.

It is not a weakly prime, because it can be changed into another prime (6887365909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3443682804 + 3443682805.

It is an arithmetic number, because the mean of its divisors is an integer number (3443682805).

Almost surely, 2^6887365609 is an apocalyptic number.

It is an amenable number.

6887365609 is a deficient number, since it is larger than the sum of its proper divisors (1).

6887365609 is an equidigital number, since it uses as much as digits as its factorization.

6887365609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The square root of 6887365609 is about 82990.1536870489. The cubic root of 6887365609 is about 1902.6155675257.

The spelling of 6887365609 in words is "six billion, eight hundred eighty-seven million, three hundred sixty-five thousand, six hundred nine".