886900009 has 2 divisors, whose sum is σ = 886900010. Its totient is φ = 886900008.

The previous prime is 886899997. The next prime is 886900037. The reversal of 886900009 is 900009688.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 885955225 + 944784 = 29765^2 + 972^2 .

It is a cyclic number.

It is not a de Polignac number, because 886900009 - 2¹⁷ = 886768937 is a prime.

It is not a weakly prime, because it can be changed into another prime (886900099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 443450004 + 443450005.

It is an arithmetic number, because the mean of its divisors is an integer number (443450005).

Almost surely, 2^886900009 is an apocalyptic number.

It is an amenable number.

886900009 is a deficient number, since it is larger than the sum of its proper divisors (1).

886900009 is an equidigital number, since it uses as much as digits as its factorization.

886900009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 886900009 is about 29780.8664917594. The cubic root of 886900009 is about 960.7820627351.

The spelling of 886900009 in words is "eight hundred eighty-six million, nine hundred thousand, nine".