869105063 has 2 divisors, whose sum is σ = 869105064. Its totient is φ = 869105062.

The previous prime is 869105053. The next prime is 869105123. The reversal of 869105063 is 360501968.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 869105063 - 2⁴ = 869105047 is a prime.

It is a super-2 number, since 2×869105063² = 1510687221064467938, which contains 22 as substring.

It is a Sophie Germain 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 (869105023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434552531 + 434552532.

It is an arithmetic number, because the mean of its divisors is an integer number (434552532).

Almost surely, 2^869105063 is an apocalyptic number.

869105063 is a deficient number, since it is larger than the sum of its proper divisors (1).

869105063 is an equidigital number, since it uses as much as digits as its factorization.

869105063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 869105063 is about 29480.5879011936. The cubic root of 869105063 is about 954.3128241883.

The spelling of 869105063 in words is "eight hundred sixty-nine million, one hundred five thousand, sixty-three".