268086863 has 4 divisors (see below), whose sum is σ = 292458408. Its totient is φ = 243715320.

The previous prime is 268086839. The next prime is 268086901. The reversal of 268086863 is 368680862.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268086863 - 2⁶ = 268086799 is a prime.

It is a super-2 number, since 2×268086863² = 143741132226361538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268056863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12185756 + ... + 12185777.

It is an arithmetic number, because the mean of its divisors is an integer number (73114602).

Almost surely, 2^268086863 is an apocalyptic number.

268086863 is a deficient number, since it is larger than the sum of its proper divisors (24371545).

268086863 is a wasteful number, since it uses less digits than its factorization.

268086863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24371544.

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 268086863 is about 16373.3583299212. The cubic root of 268086863 is about 644.8002209634.

The spelling of 268086863 in words is "two hundred sixty-eight million, eighty-six thousand, eight hundred sixty-three".