8571214613 has 16 divisors (see below), whose sum is σ = 9487702896. Its totient is φ = 7691811840.

The previous prime is 8571214607. The next prime is 8571214651. The reversal of 8571214613 is 3164121758.

It can be written as a sum of positive squares in 8 ways, for example, as 64288324 + 8506926289 = 8018^2 + 92233^2 .

It is a cyclic number.

It is not a de Polignac number, because 8571214613 - 2¹⁰ = 8571213589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8571214693) 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, 648095 + ... + 661187.

It is an arithmetic number, because the mean of its divisors is an integer number (592981431).

Almost surely, 2^8571214613 is an apocalyptic number.

It is an amenable number.

8571214613 is a deficient number, since it is larger than the sum of its proper divisors (916488283).

8571214613 is a wasteful number, since it uses less digits than its factorization.

8571214613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14504.

The product of its digits is 40320, while the sum is 38.

The square root of 8571214613 is about 92580.8544624643. The cubic root of 8571214613 is about 2046.5111876919.

The spelling of 8571214613 in words is "eight billion, five hundred seventy-one million, two hundred fourteen thousand, six hundred thirteen".