268178214377 has 8 divisors (see below), whose sum is σ = 289311015816. Its totient is φ = 247640703232.

The previous prime is 268178214361. The next prime is 268178214383. The reversal of 268178214377 is 773412871862.

It can be written as a sum of positive squares in 4 ways, for example, as 91298248336 + 176879966041 = 302156^2 + 420571^2 .

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 268178214377 - 2⁴ = 268178214361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268178214347) 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, 148821638 + ... + 148823439.

It is an arithmetic number, because the mean of its divisors is an integer number (36163876977).

Almost surely, 2^268178214377 is an apocalyptic number.

It is an amenable number.

268178214377 is a deficient number, since it is larger than the sum of its proper divisors (21132801439).

268178214377 is a wasteful number, since it uses less digits than its factorization.

268178214377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297645147.

The product of its digits is 6322176, while the sum is 56.

The spelling of 268178214377 in words is "two hundred sixty-eight billion, one hundred seventy-eight million, two hundred fourteen thousand, three hundred seventy-seven".