2088971117 has 2 divisors, whose sum is σ = 2088971118. Its totient is φ = 2088971116.

The previous prime is 2088971081. The next prime is 2088971147. The reversal of 2088971117 is 7111798802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1433303881 + 655667236 = 37859^2 + 25606^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2088971117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2088971147) 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, 1044485558 + 1044485559.

It is an arithmetic number, because the mean of its divisors is an integer number (1044485559).

Almost surely, 2^2088971117 is an apocalyptic number.

It is an amenable number.

2088971117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2088971117 is an equidigital number, since it uses as much as digits as its factorization.

2088971117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 44.

The square root of 2088971117 is about 45705.2635590257. The cubic root of 2088971117 is about 1278.3334261373. Note that the first 3 decimals are identical.

The spelling of 2088971117 in words is "two billion, eighty-eight million, nine hundred seventy-one thousand, one hundred seventeen".