7987098711 has 4 divisors (see below), whose sum is σ = 10649464952. Its totient is φ = 5324732472.

The previous prime is 7987098701. The next prime is 7987098731. The reversal of 7987098711 is 1178907897.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7987098711 - 2¹⁰ = 7987097687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7987098701) 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 in 3 ways as a sum of consecutive naturals, for example, 1331183116 + ... + 1331183121.

It is an arithmetic number, because the mean of its divisors is an integer number (2662366238).

Almost surely, 2^7987098711 is an apocalyptic number.

7987098711 is a deficient number, since it is larger than the sum of its proper divisors (2662366241).

7987098711 is a wasteful number, since it uses less digits than its factorization.

7987098711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662366240.

The product of its (nonzero) digits is 1778112, while the sum is 57.

The square root of 7987098711 is about 89370.5696020787. The cubic root of 7987098711 is about 1998.9243141370.

The spelling of 7987098711 in words is "seven billion, nine hundred eighty-seven million, ninety-eight thousand, seven hundred eleven".