8725378069 has 2 divisors, whose sum is σ = 8725378070. Its totient is φ = 8725378068.

The previous prime is 8725378033. The next prime is 8725378157. The reversal of 8725378069 is 9608735278.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5404161169 + 3321216900 = 73513^2 + 57630^2 .

It is a cyclic number.

It is not a de Polignac number, because 8725378069 - 2¹⁷ = 8725246997 is a prime.

It is a super-2 number, since 2×8725378069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8725378019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4362689034 + 4362689035.

It is an arithmetic number, because the mean of its divisors is an integer number (4362689035).

Almost surely, 2^8725378069 is an apocalyptic number.

It is an amenable number.

8725378069 is a deficient number, since it is larger than the sum of its proper divisors (1).

8725378069 is an equidigital number, since it uses as much as digits as its factorization.

8725378069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The square root of 8725378069 is about 93409.7321963830. The cubic root of 8725378069 is about 2058.7079959657.

The spelling of 8725378069 in words is "eight billion, seven hundred twenty-five million, three hundred seventy-eight thousand, sixty-nine".