8712786629 has 2 divisors, whose sum is σ = 8712786630. Its totient is φ = 8712786628.

The previous prime is 8712786617. The next prime is 8712786673. The reversal of 8712786629 is 9266872178.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8413842529 + 298944100 = 91727^2 + 17290^2 .

It is a cyclic number.

It is not a de Polignac number, because 8712786629 - 2²⁰ = 8711738053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8712786029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4356393314 + 4356393315.

It is an arithmetic number, because the mean of its divisors is an integer number (4356393315).

Almost surely, 2^8712786629 is an apocalyptic number.

It is an amenable number.

8712786629 is a deficient number, since it is larger than the sum of its proper divisors (1).

8712786629 is an equidigital number, since it uses as much as digits as its factorization.

8712786629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4064256, while the sum is 56.

The square root of 8712786629 is about 93342.3088904490. The cubic root of 8712786629 is about 2057.7172240950.

The spelling of 8712786629 in words is "eight billion, seven hundred twelve million, seven hundred eighty-six thousand, six hundred twenty-nine".