8712860449 has 2 divisors, whose sum is σ = 8712860450. Its totient is φ = 8712860448.

The previous prime is 8712860441. The next prime is 8712860477. The reversal of 8712860449 is 9440682178.

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., 8220686224 + 492174225 = 90668^2 + 22185^2 .

It is a cyclic number.

It is not a de Polignac number, because 8712860449 - 2³ = 8712860441 is a prime.

It is not a weakly prime, because it can be changed into another prime (8712860441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4356430224 + 4356430225.

It is an arithmetic number, because the mean of its divisors is an integer number (4356430225).

Almost surely, 2^8712860449 is an apocalyptic number.

It is an amenable number.

8712860449 is a deficient number, since it is larger than the sum of its proper divisors (1).

8712860449 is an equidigital number, since it uses as much as digits as its factorization.

8712860449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 8712860449 is about 93342.7043158703. The cubic root of 8712860449 is about 2057.7230354871.

The spelling of 8712860449 in words is "eight billion, seven hundred twelve million, eight hundred sixty thousand, four hundred forty-nine".