8237680961 has 2 divisors, whose sum is σ = 8237680962. Its totient is φ = 8237680960.

The previous prime is 8237680937. The next prime is 8237680963. The reversal of 8237680961 is 1690867328.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6688786225 + 1548894736 = 81785^2 + 39356^2 .

It is a cyclic number.

It is not a de Polignac number, because 8237680961 - 2¹⁴ = 8237664577 is a prime.

Together with 8237680963, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8237680963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4118840480 + 4118840481.

It is an arithmetic number, because the mean of its divisors is an integer number (4118840481).

Almost surely, 2^8237680961 is an apocalyptic number.

It is an amenable number.

8237680961 is a deficient number, since it is larger than the sum of its proper divisors (1).

8237680961 is an equidigital number, since it uses as much as digits as its factorization.

8237680961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 8237680961 is about 90761.6712109247. The cubic root of 8237680961 is about 2019.6137680175.

The spelling of 8237680961 in words is "eight billion, two hundred thirty-seven million, six hundred eighty thousand, nine hundred sixty-one".