2897886445 has 16 divisors (see below), whose sum is σ = 3516307200. Its totient is φ = 2292472000.

The previous prime is 2897886391. The next prime is 2897886461. The reversal of 2897886445 is 5446887982.

It is not a de Polignac number, because 2897886445 - 2¹¹ = 2897884397 is a prime.

It is a super-2 number, since 2×2897886445² = 16795491696229476050, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 456906 + ... + 463204.

It is an arithmetic number, because the mean of its divisors is an integer number (219769200).

Almost surely, 2^2897886445 is an apocalyptic number.

It is an amenable number.

2897886445 is a deficient number, since it is larger than the sum of its proper divisors (618420755).

2897886445 is a wasteful number, since it uses less digits than its factorization.

2897886445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7316.

The product of its digits is 30965760, while the sum is 61.

The square root of 2897886445 is about 53832.0206289900. The cubic root of 2897886445 is about 1425.6966237931.

The spelling of 2897886445 in words is "two billion, eight hundred ninety-seven million, eight hundred eighty-six thousand, four hundred forty-five".