869426071 has 2 divisors, whose sum is σ = 869426072. Its totient is φ = 869426070.

The previous prime is 869426029. The next prime is 869426101. The reversal of 869426071 is 170624968.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 869426071 - 2¹⁵ = 869393303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (869426471) 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, 434713035 + 434713036.

It is an arithmetic number, because the mean of its divisors is an integer number (434713036).

Almost surely, 2^869426071 is an apocalyptic number.

869426071 is a deficient number, since it is larger than the sum of its proper divisors (1).

869426071 is an equidigital number, since it uses as much as digits as its factorization.

869426071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 869426071 is about 29486.0317947329. The cubic root of 869426071 is about 954.4303030201.

The spelling of 869426071 in words is "eight hundred sixty-nine million, four hundred twenty-six thousand, seventy-one".