869537087 has 2 divisors, whose sum is σ = 869537088. Its totient is φ = 869537086.

The previous prime is 869537077. The next prime is 869537113. The reversal of 869537087 is 780735968.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 869537087 - 2⁸ = 869536831 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (869537077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434768543 + 434768544.

It is an arithmetic number, because the mean of its divisors is an integer number (434768544).

Almost surely, 2^869537087 is an apocalyptic number.

869537087 is a deficient number, since it is larger than the sum of its proper divisors (1).

869537087 is an equidigital number, since it uses as much as digits as its factorization.

869537087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The square root of 869537087 is about 29487.9142531309. The cubic root of 869537087 is about 954.4709246549.

The spelling of 869537087 in words is "eight hundred sixty-nine million, five hundred thirty-seven thousand, eighty-seven".