8623946377 has 2 divisors, whose sum is σ = 8623946378. Its totient is φ = 8623946376.

The previous prime is 8623946363. The next prime is 8623946381. The reversal of 8623946377 is 7736493268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7881710841 + 742235536 = 88779^2 + 27244^2 .

It is a cyclic number.

It is not a de Polignac number, because 8623946377 - 2¹⁵ = 8623913609 is a prime.

It is a super-2 number, since 2×8623946377² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8623946777) 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, 4311973188 + 4311973189.

It is an arithmetic number, because the mean of its divisors is an integer number (4311973189).

Almost surely, 2^8623946377 is an apocalyptic number.

It is an amenable number.

8623946377 is a deficient number, since it is larger than the sum of its proper divisors (1).

8623946377 is an equidigital number, since it uses as much as digits as its factorization.

8623946377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 55.

The square root of 8623946377 is about 92865.2054162376. The cubic root of 8623946377 is about 2050.6994541230.

The spelling of 8623946377 in words is "eight billion, six hundred twenty-three million, nine hundred forty-six thousand, three hundred seventy-seven".