2897320566 has 16 divisors (see below), whose sum is σ = 6622447104. Its totient is φ = 827805864.

The previous prime is 2897320553. The next prime is 2897320577. The reversal of 2897320566 is 6650237982.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 34491870 + ... + 34491953.

It is an arithmetic number, because the mean of its divisors is an integer number (413902944).

Almost surely, 2^2897320566 is an apocalyptic number.

2897320566 is an abundant number, since it is smaller than the sum of its proper divisors (3725126538).

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

2897320566 is a wasteful number, since it uses less digits than its factorization.

2897320566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68983835.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The square root of 2897320566 is about 53826.7644021076. The cubic root of 2897320566 is about 1425.6038177298.

The spelling of 2897320566 in words is "two billion, eight hundred ninety-seven million, three hundred twenty thousand, five hundred sixty-six".