8708523641 has 2 divisors, whose sum is σ = 8708523642. Its totient is φ = 8708523640.

The previous prime is 8708523617. The next prime is 8708523647. The reversal of 8708523641 is 1463258078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8267355625 + 441168016 = 90925^2 + 21004^2 .

It is a cyclic number.

It is not a de Polignac number, because 8708523641 - 2¹⁰ = 8708522617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8708523592 and 8708523601.

It is not a weakly prime, because it can be changed into another prime (8708523647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4354261820 + 4354261821.

It is an arithmetic number, because the mean of its divisors is an integer number (4354261821).

Almost surely, 2^8708523641 is an apocalyptic number.

It is an amenable number.

8708523641 is a deficient number, since it is larger than the sum of its proper divisors (1).

8708523641 is an equidigital number, since it uses as much as digits as its factorization.

8708523641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 8708523641 is about 93319.4708568367. The cubic root of 8708523641 is about 2057.3815697189.

The spelling of 8708523641 in words is "eight billion, seven hundred eight million, five hundred twenty-three thousand, six hundred forty-one".