8712558473 has 2 divisors, whose sum is σ = 8712558474. Its totient is φ = 8712558472.

The previous prime is 8712558409. The next prime is 8712558511. The reversal of 8712558473 is 3748552178.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8131169929 + 581388544 = 90173^2 + 24112^2 .

It is a cyclic number.

It is not a de Polignac number, because 8712558473 - 2⁶ = 8712558409 is a prime.

It is not a weakly prime, because it can be changed into another prime (8712578473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4356279236 + 4356279237.

It is an arithmetic number, because the mean of its divisors is an integer number (4356279237).

Almost surely, 2^8712558473 is an apocalyptic number.

It is an amenable number.

8712558473 is a deficient number, since it is larger than the sum of its proper divisors (1).

8712558473 is an equidigital number, since it uses as much as digits as its factorization.

8712558473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1881600, while the sum is 50.

The square root of 8712558473 is about 93341.0867356921. The cubic root of 8712558473 is about 2057.6992625767.

The spelling of 8712558473 in words is "eight billion, seven hundred twelve million, five hundred fifty-eight thousand, four hundred seventy-three".