2897386671 has 4 divisors (see below), whose sum is σ = 3863182232. Its totient is φ = 1931591112.

The previous prime is 2897386663. The next prime is 2897386693. The reversal of 2897386671 is 1766837982.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2897386671 - 2³ = 2897386663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897386621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482897776 + ... + 482897781.

It is an arithmetic number, because the mean of its divisors is an integer number (965795558).

Almost surely, 2^2897386671 is an apocalyptic number.

2897386671 is a deficient number, since it is larger than the sum of its proper divisors (965795561).

2897386671 is an equidigital number, since it uses as much as digits as its factorization.

2897386671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965795560.

The product of its digits is 6096384, while the sum is 57.

The square root of 2897386671 is about 53827.3784518622. The cubic root of 2897386671 is about 1425.6146597959.

The spelling of 2897386671 in words is "two billion, eight hundred ninety-seven million, three hundred eighty-six thousand, six hundred seventy-one".