8751689057 has 2 divisors, whose sum is σ = 8751689058. Its totient is φ = 8751689056.

The previous prime is 8751689053. The next prime is 8751689059. The reversal of 8751689057 is 7509861578.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4686223936 + 4065465121 = 68456^2 + 63761^2 .

It is a cyclic number.

It is not a de Polignac number, because 8751689057 - 2² = 8751689053 is a prime.

It is a super-2 number, since 2×8751689057² (a number of 21 digits) contains 22 as substring.

Together with 8751689059, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8751688993 and 8751689011.

It is not a weakly prime, because it can be changed into another prime (8751689053) 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, 4375844528 + 4375844529.

It is an arithmetic number, because the mean of its divisors is an integer number (4375844529).

Almost surely, 2^8751689057 is an apocalyptic number.

It is an amenable number.

8751689057 is a deficient number, since it is larger than the sum of its proper divisors (1).

8751689057 is an equidigital number, since it uses as much as digits as its factorization.

8751689057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4233600, while the sum is 56.

The square root of 8751689057 is about 93550.4626231212. The cubic root of 8751689057 is about 2060.7752334837.

The spelling of 8751689057 in words is "eight billion, seven hundred fifty-one million, six hundred eighty-nine thousand, fifty-seven".