268887065 has 8 divisors (see below), whose sum is σ = 323509248. Its totient is φ = 214546480.

The previous prime is 268887053. The next prime is 268887077. The reversal of 268887065 is 560788862.

It is an interprime number because it is at equal distance from previous prime (268887053) and next prime (268887077).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 268887065 - 2⁶ = 268887001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68291 + ... + 72120.

It is an arithmetic number, because the mean of its divisors is an integer number (40438656).

Almost surely, 2^268887065 is an apocalyptic number.

It is an amenable number.

268887065 is a deficient number, since it is larger than the sum of its proper divisors (54622183).

268887065 is a wasteful number, since it uses less digits than its factorization.

268887065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140799.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The square root of 268887065 is about 16397.7762211832. The cubic root of 268887065 is about 645.4411300374.

The spelling of 268887065 in words is "two hundred sixty-eight million, eight hundred eighty-seven thousand, sixty-five".