268947871 has 8 divisors (see below), whose sum is σ = 285304464. Its totient is φ = 252650880.

The previous prime is 268947859. The next prime is 268947883. The reversal of 268947871 is 178749862.

It is an interprime number because it is at equal distance from previous prime (268947859) and next prime (268947883).

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 268947871 - 2²³ = 260559263 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 (268947821) 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, 5425 + ... + 23818.

It is an arithmetic number, because the mean of its divisors is an integer number (35663058).

Almost surely, 2^268947871 is an apocalyptic number.

268947871 is a deficient number, since it is larger than the sum of its proper divisors (16356593).

268947871 is a wasteful number, since it uses less digits than its factorization.

268947871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29801.

The product of its digits is 1354752, while the sum is 52.

The square root of 268947871 is about 16399.6302092456. The cubic root of 268947871 is about 645.4897796261.

The spelling of 268947871 in words is "two hundred sixty-eight million, nine hundred forty-seven thousand, eight hundred seventy-one".