8942486977 has 2 divisors, whose sum is σ = 8942486978. Its totient is φ = 8942486976.

The previous prime is 8942486947. The next prime is 8942486983. The reversal of 8942486977 is 7796842498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6938223616 + 2004263361 = 83296^2 + 44769^2 .

It is a cyclic number.

It is not a de Polignac number, because 8942486977 - 2³¹ = 6795003329 is a prime.

It is not a weakly prime, because it can be changed into another prime (8942486947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4471243488 + 4471243489.

It is an arithmetic number, because the mean of its divisors is an integer number (4471243489).

Almost surely, 2^8942486977 is an apocalyptic number.

It is an amenable number.

8942486977 is a deficient number, since it is larger than the sum of its proper divisors (1).

8942486977 is an equidigital number, since it uses as much as digits as its factorization.

8942486977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48771072, while the sum is 64.

The square root of 8942486977 is about 94564.7237451683. The cubic root of 8942486977 is about 2075.6435398415.

The spelling of 8942486977 in words is "eight billion, nine hundred forty-two million, four hundred eighty-six thousand, nine hundred seventy-seven".