268443477 has 20 divisors (see below), whose sum is σ = 413947776. Its totient is φ = 173187720.

The previous prime is 268443443. The next prime is 268443503. The reversal of 268443477 is 774344862.

268443477 is a `hidden beast` number, since 268 + 44 + 347 + 7 = 666.

It is not a de Polignac number, because 268443477 - 2⁷ = 268443349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268443437) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 50943 + ... + 55964.

Almost surely, 2^268443477 is an apocalyptic number.

268443477 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

268443477 is a deficient number, since it is larger than the sum of its proper divisors (145504299).

268443477 is a wasteful number, since it uses less digits than its factorization.

268443477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106950 (or 106941 counting only the distinct ones).

The product of its digits is 903168, while the sum is 45.

The square root of 268443477 is about 16384.2447796656. The cubic root of 268443477 is about 645.0860025938.

The spelling of 268443477 in words is "two hundred sixty-eight million, four hundred forty-three thousand, four hundred seventy-seven".