8712444613 has 4 divisors (see below), whose sum is σ = 8915059648. Its totient is φ = 8509829580.

The previous prime is 8712444607. The next prime is 8712444617. The reversal of 8712444613 is 3164442178.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8712444613 - 2⁹ = 8712444101 is a prime.

It is a super-2 number, since 2×8712444613² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8712444617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101307453 + ... + 101307538.

It is an arithmetic number, because the mean of its divisors is an integer number (2228764912).

Almost surely, 2^8712444613 is an apocalyptic number.

It is an amenable number.

8712444613 is a deficient number, since it is larger than the sum of its proper divisors (202615035).

8712444613 is a wasteful number, since it uses less digits than its factorization.

8712444613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202615034.

The product of its digits is 129024, while the sum is 40.

The square root of 8712444613 is about 93340.4768200806. The cubic root of 8712444613 is about 2057.6902988623.

The spelling of 8712444613 in words is "eight billion, seven hundred twelve million, four hundred forty-four thousand, six hundred thirteen".