897980347 has 8 divisors (see below), whose sum is σ = 979866432. Its totient is φ = 816136200.

The previous prime is 897980333. The next prime is 897980353. The reversal of 897980347 is 743089798.

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

It is a de Polignac number, because none of the positive numbers 2^k-897980347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (897980747) 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, 48988 + ... + 64774.

It is an arithmetic number, because the mean of its divisors is an integer number (122483304).

Almost surely, 2^897980347 is an apocalyptic number.

897980347 is a deficient number, since it is larger than the sum of its proper divisors (81886085).

897980347 is a wasteful number, since it uses less digits than its factorization.

897980347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20969.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 897980347 is about 29966.3202111971. The cubic root of 897980347 is about 964.7666386957.

The spelling of 897980347 in words is "eight hundred ninety-seven million, nine hundred eighty thousand, three hundred forty-seven".