8375879257 has 2 divisors, whose sum is σ = 8375879258. Its totient is φ = 8375879256.

The previous prime is 8375879191. The next prime is 8375879263. The reversal of 8375879257 is 7529785738.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5943022281 + 2432856976 = 77091^2 + 49324^2 .

It is a cyclic number.

It is not a de Polignac number, because 8375879257 - 2⁷ = 8375879129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8375879195 and 8375879204.

It is not a weakly prime, because it can be changed into another prime (8375874257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4187939628 + 4187939629.

It is an arithmetic number, because the mean of its divisors is an integer number (4187939629).

Almost surely, 2^8375879257 is an apocalyptic number.

It is an amenable number.

8375879257 is a deficient number, since it is larger than the sum of its proper divisors (1).

8375879257 is an equidigital number, since it uses as much as digits as its factorization.

8375879257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29635200, while the sum is 61.

The square root of 8375879257 is about 91519.8298567037. The cubic root of 8375879257 is about 2030.8451152901.

The spelling of 8375879257 in words is "eight billion, three hundred seventy-five million, eight hundred seventy-nine thousand, two hundred fifty-seven".