268817770 has 32 divisors (see below), whose sum is σ = 551749968. Its totient is φ = 93416448.

The previous prime is 268817723. The next prime is 268817779. The reversal of 268817770 is 77718862.

268817770 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 24176889 + 244640881 = 4917^2 + 15641^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 268817770.

It is not an unprimeable number, because it can be changed into a prime (268817779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58609 + ... + 63028.

Almost surely, 2^268817770 is an apocalyptic number.

268817770 is an abundant number, since it is smaller than the sum of its proper divisors (282932198).

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

268817770 is a wasteful number, since it uses less digits than its factorization.

268817770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121674.

The product of its (nonzero) digits is 263424, while the sum is 46.

The square root of 268817770 is about 16395.6631460884. The cubic root of 268817770 is about 645.3856796376.

The spelling of 268817770 in words is "two hundred sixty-eight million, eight hundred seventeen thousand, seven hundred seventy".