2897907647 has 2 divisors, whose sum is σ = 2897907648. Its totient is φ = 2897907646.

The previous prime is 2897907619. The next prime is 2897907653. The reversal of 2897907647 is 7467097982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2897907647 - 2⁶ = 2897907583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2897907667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1448953823 + 1448953824.

It is an arithmetic number, because the mean of its divisors is an integer number (1448953824).

Almost surely, 2^2897907647 is an apocalyptic number.

2897907647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2897907647 is an equidigital number, since it uses as much as digits as its factorization.

2897907647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10668672, while the sum is 59.

The square root of 2897907647 is about 53832.2175560324. The cubic root of 2897907647 is about 1425.7001007578.

The spelling of 2897907647 in words is "two billion, eight hundred ninety-seven million, nine hundred seven thousand, six hundred forty-seven".