2897668266 has 32 divisors (see below), whose sum is σ = 5853781440. Its totient is φ = 956169984.

The previous prime is 2897668247. The next prime is 2897668273. The reversal of 2897668266 is 6628667982.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 684705 + ... + 688923.

It is an arithmetic number, because the mean of its divisors is an integer number (182930670).

Almost surely, 2^2897668266 is an apocalyptic number.

2897668266 is an abundant number, since it is smaller than the sum of its proper divisors (2956113174).

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

2897668266 is a wasteful number, since it uses less digits than its factorization.

2897668266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5350.

The product of its digits is 20901888, while the sum is 60.

The square root of 2897668266 is about 53829.9941110901. The cubic root of 2897668266 is about 1425.6608431330.

The spelling of 2897668266 in words is "two billion, eight hundred ninety-seven million, six hundred sixty-eight thousand, two hundred sixty-six".