268340087 has 8 divisors (see below), whose sum is σ = 284596416. Its totient is φ = 252136192.

The previous prime is 268340077. The next prime is 268340099. The reversal of 268340087 is 780043862.

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 268340087 - 2⁴ = 268340071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 268340087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268340047) 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, 2303 + ... + 23280.

It is an arithmetic number, because the mean of its divisors is an integer number (35574552).

Almost surely, 2^268340087 is an apocalyptic number.

268340087 is a deficient number, since it is larger than the sum of its proper divisors (16256329).

268340087 is a wasteful number, since it uses less digits than its factorization.

268340087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26217.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 268340087 is about 16381.0893105434. The cubic root of 268340087 is about 645.0031744731.

The spelling of 268340087 in words is "two hundred sixty-eight million, three hundred forty thousand, eighty-seven".