955609871 has 2 divisors, whose sum is σ = 955609872. Its totient is φ = 955609870.

The previous prime is 955609777. The next prime is 955609913. The reversal of 955609871 is 178906559.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 955609871 - 2²² = 951415567 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 (955689871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477804935 + 477804936.

It is an arithmetic number, because the mean of its divisors is an integer number (477804936).

Almost surely, 2^955609871 is an apocalyptic number.

955609871 is a deficient number, since it is larger than the sum of its proper divisors (1).

955609871 is an equidigital number, since it uses as much as digits as its factorization.

955609871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 50.

The square root of 955609871 is about 30912.9401869185. The cubic root of 955609871 is about 984.9787831585.

The spelling of 955609871 in words is "nine hundred fifty-five million, six hundred nine thousand, eight hundred seventy-one".