8712889745 has 16 divisors (see below), whose sum is σ = 11980652160. Its totient is φ = 5958779904.

The previous prime is 8712889727. The next prime is 8712889753. The reversal of 8712889745 is 5479882178.

It is not a de Polignac number, because 8712889745 - 2²⁸ = 8444454289 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315152 + ... + 341681.

It is an arithmetic number, because the mean of its divisors is an integer number (748790760).

Almost surely, 2^8712889745 is an apocalyptic number.

It is an amenable number.

8712889745 is a deficient number, since it is larger than the sum of its proper divisors (3267762415).

8712889745 is a wasteful number, since it uses less digits than its factorization.

8712889745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657224.

The product of its digits is 9031680, while the sum is 59.

The square root of 8712889745 is about 93342.8612428396. The cubic root of 8712889745 is about 2057.7253417708.

The spelling of 8712889745 in words is "eight billion, seven hundred twelve million, eight hundred eighty-nine thousand, seven hundred forty-five".