974986247377 has 2 divisors, whose sum is σ = 974986247378. Its totient is φ = 974986247376.

The previous prime is 974986247363. The next prime is 974986247387. The reversal of 974986247377 is 773742689479.

974986247377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 941286099601 + 33700147776 = 970199^2 + 183576^2 .

It is an emirp because it is prime and its reverse (773742689479) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-974986247377 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, 487493123688 + 487493123689.

It is an arithmetic number, because the mean of its divisors is an integer number (487493123689).

Almost surely, 2^974986247377 is an apocalyptic number.

It is an amenable number.

974986247377 is a deficient number, since it is larger than the sum of its proper divisors (1).

974986247377 is an equidigital number, since it uses as much as digits as its factorization.

974986247377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 896168448, while the sum is 73.

The spelling of 974986247377 in words is "nine hundred seventy-four billion, nine hundred eighty-six million, two hundred forty-seven thousand, three hundred seventy-seven".