268043677 has 6 divisors (see below), whose sum is σ = 294626654. Its totient is φ = 243675960.

The previous prime is 268043669. The next prime is 268043707. The reversal of 268043677 is 776340862.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 225780676 + 42263001 = 15026^2 + 6501^2 .

It is not a de Polignac number, because 268043677 - 2³ = 268043669 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 (268043177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1107498 + ... + 1107739.

Almost surely, 2^268043677 is an apocalyptic number.

It is an amenable number.

268043677 is a deficient number, since it is larger than the sum of its proper divisors (26582977).

268043677 is a wasteful number, since it uses less digits than its factorization.

268043677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215259 (or 2215248 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 268043677 is about 16372.0394881029. The cubic root of 268043677 is about 644.7655955719.

The spelling of 268043677 in words is "two hundred sixty-eight million, forty-three thousand, six hundred seventy-seven".