8758849261 has 2 divisors, whose sum is σ = 8758849262. Its totient is φ = 8758849260.

The previous prime is 8758849247. The next prime is 8758849277. The reversal of 8758849261 is 1629488578.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7483288036 + 1275561225 = 86506^2 + 35715^2 .

It is a cyclic number.

It is not a de Polignac number, because 8758849261 - 2⁷ = 8758849133 is a prime.

It is a super-2 number, since 2×8758849261² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8758849196 and 8758849205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8758849241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4379424630 + 4379424631.

It is an arithmetic number, because the mean of its divisors is an integer number (4379424631).

Almost surely, 2^8758849261 is an apocalyptic number.

It is an amenable number.

8758849261 is a deficient number, since it is larger than the sum of its proper divisors (1).

8758849261 is an equidigital number, since it uses as much as digits as its factorization.

8758849261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7741440, while the sum is 58.

The square root of 8758849261 is about 93588.7240056194. The cubic root of 8758849261 is about 2061.3370887898.

The spelling of 8758849261 in words is "eight billion, seven hundred fifty-eight million, eight hundred forty-nine thousand, two hundred sixty-one".