8942619977 has 2 divisors, whose sum is σ = 8942619978. Its totient is φ = 8942619976.

The previous prime is 8942619899. The next prime is 8942619989. The reversal of 8942619977 is 7799162498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4745005456 + 4197614521 = 68884^2 + 64789^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8942619977 is a prime.

It is not a weakly prime, because it can be changed into another prime (8942639977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4471309988 + 4471309989.

It is an arithmetic number, because the mean of its divisors is an integer number (4471309989).

Almost surely, 2^8942619977 is an apocalyptic number.

It is an amenable number.

8942619977 is a deficient number, since it is larger than the sum of its proper divisors (1).

8942619977 is an equidigital number, since it uses as much as digits as its factorization.

8942619977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13716864, while the sum is 62.

The square root of 8942619977 is about 94565.4269646154. The cubic root of 8942619977 is about 2075.6538300148.

The spelling of 8942619977 in words is "eight billion, nine hundred forty-two million, six hundred nineteen thousand, nine hundred seventy-seven".