8712786653 has 16 divisors (see below), whose sum is σ = 9282646656. Its totient is φ = 8159511360.

The previous prime is 8712786629. The next prime is 8712786673. The reversal of 8712786653 is 3566872178.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8712786653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8712786595 and 8712786604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8712786673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 591251 + ... + 605807.

It is an arithmetic number, because the mean of its divisors is an integer number (580165416).

Almost surely, 2^8712786653 is an apocalyptic number.

It is an amenable number.

8712786653 is a deficient number, since it is larger than the sum of its proper divisors (569860003).

8712786653 is a wasteful number, since it uses less digits than its factorization.

8712786653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15124.

The product of its digits is 3386880, while the sum is 53.

The square root of 8712786653 is about 93342.3090190081. The cubic root of 8712786653 is about 2057.7172259844.

The spelling of 8712786653 in words is "eight billion, seven hundred twelve million, seven hundred eighty-six thousand, six hundred fifty-three".