268713617 has 8 divisors (see below), whose sum is σ = 278530176. Its totient is φ = 259067952.

The previous prime is 268713589. The next prime is 268713719. The reversal of 268713617 is 716317862.

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 268713617 - 2²² = 264519313 is a prime.

It is a super-2 number, since 2×268713617² = 144414015922445378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268713017) 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, 39518 + ... + 45815.

It is an arithmetic number, because the mean of its divisors is an integer number (34816272).

Almost surely, 2^268713617 is an apocalyptic number.

It is an amenable number.

268713617 is a deficient number, since it is larger than the sum of its proper divisors (9816559).

268713617 is an equidigital number, since it uses as much as digits as its factorization.

268713617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85447.

The product of its digits is 84672, while the sum is 41.

The square root of 268713617 is about 16392.4866020991. The cubic root of 268713617 is about 645.3023176661.

The spelling of 268713617 in words is "two hundred sixty-eight million, seven hundred thirteen thousand, six hundred seventeen".