8688476893 has 2 divisors, whose sum is σ = 8688476894. Its totient is φ = 8688476892.

The previous prime is 8688476861. The next prime is 8688476969. The reversal of 8688476893 is 3986748868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8656813764 + 31663129 = 93042^2 + 5627^2 .

It is a cyclic number.

It is not a de Polignac number, because 8688476893 - 2⁵ = 8688476861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8688476833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4344238446 + 4344238447.

It is an arithmetic number, because the mean of its divisors is an integer number (4344238447).

Almost surely, 2^8688476893 is an apocalyptic number.

It is an amenable number.

8688476893 is a deficient number, since it is larger than the sum of its proper divisors (1).

8688476893 is an equidigital number, since it uses as much as digits as its factorization.

8688476893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 111476736, while the sum is 67.

The square root of 8688476893 is about 93211.9997264301. Note that the first 3 decimals coincide. The cubic root of 8688476893 is about 2055.8016808873.

The spelling of 8688476893 in words is "eight billion, six hundred eighty-eight million, four hundred seventy-six thousand, eight hundred ninety-three".