887387009 has 2 divisors, whose sum is σ = 887387010. Its totient is φ = 887387008.

The previous prime is 887386999. The next prime is 887387047. The reversal of 887387009 is 900783788.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 871902784 + 15484225 = 29528^2 + 3935^2 .

It is a cyclic number.

It is not a de Polignac number, because 887387009 - 2⁴ = 887386993 is a prime.

It is a super-3 number, since 3×887387009³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (887387089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 443693504 + 443693505.

It is an arithmetic number, because the mean of its divisors is an integer number (443693505).

Almost surely, 2^887387009 is an apocalyptic number.

It is an amenable number.

887387009 is a deficient number, since it is larger than the sum of its proper divisors (1).

887387009 is an equidigital number, since it uses as much as digits as its factorization.

887387009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 887387009 is about 29789.0417603521. The cubic root of 887387009 is about 960.9578868580.

The spelling of 887387009 in words is "eight hundred eighty-seven million, three hundred eighty-seven thousand, nine".