268507807 has 8 divisors (see below), whose sum is σ = 273902400. Its totient is φ = 263163264.

The previous prime is 268507801. The next prime is 268507817. The reversal of 268507807 is 708705862.

It is a happy number.

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 268507807 - 2¹¹ = 268505759 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 (268507801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1582 + ... + 23227.

It is an arithmetic number, because the mean of its divisors is an integer number (34237800).

Almost surely, 2^268507807 is an apocalyptic number.

268507807 is a deficient number, since it is larger than the sum of its proper divisors (5394593).

268507807 is a wasteful number, since it uses less digits than its factorization.

268507807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25025.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 268507807 is about 16386.2078285368. The cubic root of 268507807 is about 645.1375281124.

The spelling of 268507807 in words is "two hundred sixty-eight million, five hundred seven thousand, eight hundred seven".