7871088947 has 2 divisors, whose sum is σ = 7871088948. Its totient is φ = 7871088946.

The previous prime is 7871088931. The next prime is 7871088991. The reversal of 7871088947 is 7498801787.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7871088947 - 2⁴ = 7871088931 is a prime.

It is not a weakly prime, because it can be changed into another prime (7871088997) 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, 3935544473 + 3935544474.

It is an arithmetic number, because the mean of its divisors is an integer number (3935544474).

Almost surely, 2^7871088947 is an apocalyptic number.

7871088947 is a deficient number, since it is larger than the sum of its proper divisors (1).

7871088947 is an equidigital number, since it uses as much as digits as its factorization.

7871088947 is an odious number, because the sum of its binary digits is odd.

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

The square root of 7871088947 is about 88719.1577225573. The cubic root of 7871088947 is about 1989.1991884850.

The spelling of 7871088947 in words is "seven billion, eight hundred seventy-one million, eighty-eight thousand, nine hundred forty-seven".