8520900287 has 2 divisors, whose sum is σ = 8520900288. Its totient is φ = 8520900286.

The previous prime is 8520900239. The next prime is 8520900313. The reversal of 8520900287 is 7820090258.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8520900287 - 2²⁴ = 8504123071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8520900217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4260450143 + 4260450144.

It is an arithmetic number, because the mean of its divisors is an integer number (4260450144).

Almost surely, 2^8520900287 is an apocalyptic number.

8520900287 is a deficient number, since it is larger than the sum of its proper divisors (1).

8520900287 is an equidigital number, since it uses as much as digits as its factorization.

8520900287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 8520900287 is about 92308.7227026785. The cubic root of 8520900287 is about 2042.4988830871.

The spelling of 8520900287 in words is "eight billion, five hundred twenty million, nine hundred thousand, two hundred eighty-seven".