7187980847 has 2 divisors, whose sum is σ = 7187980848. Its totient is φ = 7187980846.

The previous prime is 7187980823. The next prime is 7187980859. The reversal of 7187980847 is 7480897817.

7187980847 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7187980847 - 2¹⁰ = 7187979823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7187980867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3593990423 + 3593990424.

It is an arithmetic number, because the mean of its divisors is an integer number (3593990424).

Almost surely, 2^7187980847 is an apocalyptic number.

7187980847 is a deficient number, since it is larger than the sum of its proper divisors (1).

7187980847 is an equidigital number, since it uses as much as digits as its factorization.

7187980847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6322176, while the sum is 59.

The square root of 7187980847 is about 84781.9606225287. The cubic root of 7187980847 is about 1929.9036925643.

The spelling of 7187980847 in words is "seven billion, one hundred eighty-seven million, nine hundred eighty thousand, eight hundred forty-seven".