868522613 has 8 divisors (see below), whose sum is σ = 995987328. Its totient is φ = 741905424.

The previous prime is 868522601. The next prime is 868522651. The reversal of 868522613 is 316225868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 868522613 - 2⁶ = 868522549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868522663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209681 + ... + 213782.

It is an arithmetic number, because the mean of its divisors is an integer number (124498416).

Almost surely, 2^868522613 is an apocalyptic number.

It is an amenable number.

868522613 is a deficient number, since it is larger than the sum of its proper divisors (127464715).

868522613 is a wasteful number, since it uses less digits than its factorization.

868522613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423763.

The product of its digits is 138240, while the sum is 41.

The square root of 868522613 is about 29470.7077112173. The cubic root of 868522613 is about 954.0995919246.

The spelling of 868522613 in words is "eight hundred sixty-eight million, five hundred twenty-two thousand, six hundred thirteen".