8474977361 has 2 divisors, whose sum is σ = 8474977362. Its totient is φ = 8474977360.

The previous prime is 8474977331. The next prime is 8474977369. The reversal of 8474977361 is 1637794748.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5527030336 + 2947947025 = 74344^2 + 54295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8474977361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8474977297 and 8474977306.

It is not a weakly prime, because it can be changed into another prime (8474977369) 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, 4237488680 + 4237488681.

It is an arithmetic number, because the mean of its divisors is an integer number (4237488681).

Almost surely, 2^8474977361 is an apocalyptic number.

It is an amenable number.

8474977361 is a deficient number, since it is larger than the sum of its proper divisors (1).

8474977361 is an equidigital number, since it uses as much as digits as its factorization.

8474977361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7112448, while the sum is 56.

The square root of 8474977361 is about 92059.6402393579. The cubic root of 8474977361 is about 2038.8229594253.

The spelling of 8474977361 in words is "eight billion, four hundred seventy-four million, nine hundred seventy-seven thousand, three hundred sixty-one".