9955079171 has 2 divisors, whose sum is σ = 9955079172. Its totient is φ = 9955079170.

The previous prime is 9955079137. The next prime is 9955079207. The reversal of 9955079171 is 1719705599.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9955079171 is a prime.

It is not a weakly prime, because it can be changed into another prime (9955079111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4977539585 + 4977539586.

It is an arithmetic number, because the mean of its divisors is an integer number (4977539586).

Almost surely, 2^9955079171 is an apocalyptic number.

9955079171 is a deficient number, since it is larger than the sum of its proper divisors (1).

9955079171 is an equidigital number, since it uses as much as digits as its factorization.

9955079171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 893025, while the sum is 53.

The square root of 9955079171 is about 99775.1430517642. The cubic root of 9955079171 is about 2151.2038810946.

The spelling of 9955079171 in words is "nine billion, nine hundred fifty-five million, seventy-nine thousand, one hundred seventy-one".