268228182277 has 12 divisors (see below), whose sum is σ = 297748440108. Its totient is φ = 241429496000.

The previous prime is 268228182223. The next prime is 268228182283. The reversal of 268228182277 is 772281822862.

It can be written as a sum of positive squares in 2 ways, for example, as 264441749121 + 3786433156 = 514239^2 + 61534^2 .

It is not a de Polignac number, because 268228182277 - 2²³ = 268219793669 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 (268228182577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10961848 + ... + 10986289.

It is an arithmetic number, because the mean of its divisors is an integer number (24812370009).

Almost surely, 2^268228182277 is an apocalyptic number.

It is an amenable number.

268228182277 is a deficient number, since it is larger than the sum of its proper divisors (29520257831).

268228182277 is a wasteful number, since it uses less digits than its factorization.

268228182277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21948260 (or 21948249 counting only the distinct ones).

The product of its digits is 4816896, while the sum is 55.

The spelling of 268228182277 in words is "two hundred sixty-eight billion, two hundred twenty-eight million, one hundred eighty-two thousand, two hundred seventy-seven".