897701471 has 2 divisors, whose sum is σ = 897701472. Its totient is φ = 897701470.

The previous prime is 897701449. The next prime is 897701489. The reversal of 897701471 is 174107798.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 897701471 - 2⁶ = 897701407 is a prime.

It is a super-3 number, since 3×897701471³ (a number of 28 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (897701401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448850735 + 448850736.

It is an arithmetic number, because the mean of its divisors is an integer number (448850736).

Almost surely, 2^897701471 is an apocalyptic number.

897701471 is a deficient number, since it is larger than the sum of its proper divisors (1).

897701471 is an equidigital number, since it uses as much as digits as its factorization.

897701471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 44.

The square root of 897701471 is about 29961.6666926258. Note that the first 4 decimals coincide. The cubic root of 897701471 is about 964.6667559908. Note that the first 3 decimals are identical.

The spelling of 897701471 in words is "eight hundred ninety-seven million, seven hundred one thousand, four hundred seventy-one".