268621885 has 8 divisors (see below), whose sum is σ = 368395776. Its totient is φ = 184197840.

The previous prime is 268621877. The next prime is 268621901. The reversal of 268621885 is 588126862.

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

It is not a de Polignac number, because 268621885 - 2³ = 268621877 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 3837421 + ... + 3837490.

It is an arithmetic number, because the mean of its divisors is an integer number (46049472).

Almost surely, 2^268621885 is an apocalyptic number.

It is an amenable number.

268621885 is a deficient number, since it is larger than the sum of its proper divisors (99773891).

268621885 is an equidigital number, since it uses as much as digits as its factorization.

268621885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7674923.

The product of its digits is 368640, while the sum is 46.

The square root of 268621885 is about 16389.6883740967. The cubic root of 268621885 is about 645.2288793715.

The spelling of 268621885 in words is "two hundred sixty-eight million, six hundred twenty-one thousand, eight hundred eighty-five".