987068647847 has 2 divisors, whose sum is σ = 987068647848. Its totient is φ = 987068647846.

The previous prime is 987068647843. The next prime is 987068647879. The reversal of 987068647847 is 748746860789.

987068647847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 987068647847 - 2² = 987068647843 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (987068647843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493534323923 + 493534323924.

It is an arithmetic number, because the mean of its divisors is an integer number (493534323924).

Almost surely, 2^987068647847 is an apocalyptic number.

987068647847 is a deficient number, since it is larger than the sum of its proper divisors (1).

987068647847 is an equidigital number, since it uses as much as digits as its factorization.

987068647847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 910393344, while the sum is 74.

The spelling of 987068647847 in words is "nine hundred eighty-seven billion, sixty-eight million, six hundred forty-seven thousand, eight hundred forty-seven".