974986247387 has 2 divisors, whose sum is σ = 974986247388. Its totient is φ = 974986247386.

The previous prime is 974986247377. The next prime is 974986247419. The reversal of 974986247387 is 783742689479.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 974986247387 - 2²² = 974982053083 is a prime.

It is not a weakly prime, because it can be changed into another prime (974986247317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487493123693 + 487493123694.

It is an arithmetic number, because the mean of its divisors is an integer number (487493123694).

Almost surely, 2^974986247387 is an apocalyptic number.

974986247387 is a deficient number, since it is larger than the sum of its proper divisors (1).

974986247387 is an equidigital number, since it uses as much as digits as its factorization.

974986247387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1024192512, while the sum is 74.

The spelling of 974986247387 in words is "nine hundred seventy-four billion, nine hundred eighty-six million, two hundred forty-seven thousand, three hundred eighty-seven".