2079987617 has 2 divisors, whose sum is σ = 2079987618. Its totient is φ = 2079987616.

The previous prime is 2079987541. The next prime is 2079987629. The reversal of 2079987617 is 7167899702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1050797056 + 1029190561 = 32416^2 + 32081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2079987617 is a prime.

It is not a weakly prime, because it can be changed into another prime (2079987647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1039993808 + 1039993809.

It is an arithmetic number, because the mean of its divisors is an integer number (1039993809).

Almost surely, 2^2079987617 is an apocalyptic number.

It is an amenable number.

2079987617 is a deficient number, since it is larger than the sum of its proper divisors (1).

2079987617 is an equidigital number, since it uses as much as digits as its factorization.

2079987617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2667168, while the sum is 56.

The square root of 2079987617 is about 45606.8812461453. The cubic root of 2079987617 is about 1276.4983266083.

The spelling of 2079987617 in words is "two billion, seventy-nine million, nine hundred eighty-seven thousand, six hundred seventeen".