2897997982 has 16 divisors (see below), whose sum is σ = 4778383104. Its totient is φ = 1307215000.

The previous prime is 2897997979. The next prime is 2897997989.

2897997982 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897997989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499894 + ... + 505657.

It is an arithmetic number, because the mean of its divisors is an integer number (298648944).

Almost surely, 2^2897997982 is an apocalyptic number.

2897997982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2897997982 is a deficient number, since it is larger than the sum of its proper divisors (1880385122).

2897997982 is a wasteful number, since it uses less digits than its factorization.

2897997982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005695.

The product of its digits is 82301184, while the sum is 70.

The square root of 2897997982 is about 53833.0565916519. The cubic root of 2897997982 is about 1425.7149148117.

The spelling of 2897997982 in words is "two billion, eight hundred ninety-seven million, nine hundred ninety-seven thousand, nine hundred eighty-two".