268297785 has 48 divisors (see below), whose sum is σ = 554860800. Its totient is φ = 122647392.

The previous prime is 268297759. The next prime is 268297789. The reversal of 268297785 is 587792862.

It is a happy number.

It is not a de Polignac number, because 268297785 - 2⁵ = 268297753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268297789) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13665 + ... + 26894.

It is an arithmetic number, because the mean of its divisors is an integer number (11559600).

Almost surely, 2^268297785 is an apocalyptic number.

It is an amenable number.

268297785 is an abundant number, since it is smaller than the sum of its proper divisors (286563015).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268297785 is a wasteful number, since it uses less digits than its factorization.

268297785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40587 (or 40574 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 268297785 is about 16379.7980756785. The cubic root of 268297785 is about 644.9692792291.

The spelling of 268297785 in words is "two hundred sixty-eight million, two hundred ninety-seven thousand, seven hundred eighty-five".