268665713377 has 8 divisors (see below), whose sum is σ = 273079859072. Its totient is φ = 264251883600.

The previous prime is 268665713363. The next prime is 268665713383. The reversal of 268665713377 is 773317566862.

It is a happy number.

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 268665713377 - 2¹¹ = 268665711329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268665713387) 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, 2146552 + ... + 2268262.

It is an arithmetic number, because the mean of its divisors is an integer number (34134982384).

Almost surely, 2^268665713377 is an apocalyptic number.

It is an amenable number.

268665713377 is a deficient number, since it is larger than the sum of its proper divisors (4414145695).

268665713377 is a wasteful number, since it uses less digits than its factorization.

268665713377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157959.

The product of its digits is 53343360, while the sum is 61.

The spelling of 268665713377 in words is "two hundred sixty-eight billion, six hundred sixty-five million, seven hundred thirteen thousand, three hundred seventy-seven".