2897557982 has 16 divisors (see below), whose sum is σ = 4742527104. Its totient is φ = 1316775000.

The previous prime is 2897557933. The next prime is 2897557991.

It is a happy number.

2897557982 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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, 107357 + ... + 131607.

It is an arithmetic number, because the mean of its divisors is an integer number (296407944).

Almost surely, 2^2897557982 is an apocalyptic number.

2897557982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2897557982 is a deficient number, since it is larger than the sum of its proper divisors (1844969122).

2897557982 is a wasteful number, since it uses less digits than its factorization.

2897557982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29695.

The product of its digits is 25401600, while the sum is 62.

The square root of 2897557982 is about 53828.9697282049. The cubic root of 2897557982 is about 1425.6427562253.

The spelling of 2897557982 in words is "two billion, eight hundred ninety-seven million, five hundred fifty-seven thousand, nine hundred eighty-two".