8375375861 has 2 divisors, whose sum is σ = 8375375862. Its totient is φ = 8375375860.

The previous prime is 8375375831. The next prime is 8375375863. The reversal of 8375375861 is 1685735738.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8153187025 + 222188836 = 90295^2 + 14906^2 .

It is a cyclic number.

It is not a de Polignac number, because 8375375861 - 2³⁰ = 7301634037 is a prime.

Together with 8375375863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8375375863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4187687930 + 4187687931.

It is an arithmetic number, because the mean of its divisors is an integer number (4187687931).

Almost surely, 2^8375375861 is an apocalyptic number.

It is an amenable number.

8375375861 is a deficient number, since it is larger than the sum of its proper divisors (1).

8375375861 is an equidigital number, since it uses as much as digits as its factorization.

8375375861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4233600, while the sum is 53.

The square root of 8375375861 is about 91517.0796135891. The cubic root of 8375375861 is about 2030.8044294207.

The spelling of 8375375861 in words is "eight billion, three hundred seventy-five million, three hundred seventy-five thousand, eight hundred sixty-one".