897969709 has 8 divisors (see below), whose sum is σ = 1105193600. Its totient is φ = 710481456.

The previous prime is 897969701. The next prime is 897969719. The reversal of 897969709 is 907969798.

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 897969709 - 2³ = 897969701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897969701) 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 in 7 ways as a sum of consecutive naturals, for example, 4933809 + ... + 4933990.

It is an arithmetic number, because the mean of its divisors is an integer number (138149200).

Almost surely, 2^897969709 is an apocalyptic number.

It is an amenable number.

897969709 is a deficient number, since it is larger than the sum of its proper divisors (207223891).

897969709 is a wasteful number, since it uses less digits than its factorization.

897969709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9867819.

The product of its (nonzero) digits is 15431472, while the sum is 64.

The square root of 897969709 is about 29966.1427114001. The cubic root of 897969709 is about 964.7628289509.

The spelling of 897969709 in words is "eight hundred ninety-seven million, nine hundred sixty-nine thousand, seven hundred nine".