2897696447 has 8 divisors (see below), whose sum is σ = 2910718272. Its totient is φ = 2884694400.

The previous prime is 2897696429. The next prime is 2897696509. The reversal of 2897696447 is 7446967982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2897696447 - 2²⁶ = 2830587583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2897696447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897696047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341723 + ... + 350099.

It is an arithmetic number, because the mean of its divisors is an integer number (363839784).

Almost surely, 2^2897696447 is an apocalyptic number.

2897696447 is a deficient number, since it is larger than the sum of its proper divisors (13021825).

2897696447 is a wasteful number, since it uses less digits than its factorization.

2897696447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9889.

The product of its digits is 36578304, while the sum is 62.

The square root of 2897696447 is about 53830.2558697244. The cubic root of 2897696447 is about 1425.6654648281.

The spelling of 2897696447 in words is "two billion, eight hundred ninety-seven million, six hundred ninety-six thousand, four hundred forty-seven".