897236747 has 8 divisors (see below), whose sum is σ = 979102512. Its totient is φ = 815420800.

The previous prime is 897236741. The next prime is 897236759. The reversal of 897236747 is 747632798.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-897236747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (897236741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32183 + ... + 53199.

It is an arithmetic number, because the mean of its divisors is an integer number (122387814).

Almost surely, 2^897236747 is an apocalyptic number.

897236747 is a deficient number, since it is larger than the sum of its proper divisors (81865765).

897236747 is a wasteful number, since it uses less digits than its factorization.

897236747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24909.

The product of its digits is 3556224, while the sum is 53.

The square root of 897236747 is about 29953.9103791141. The cubic root of 897236747 is about 964.5002636806.

The spelling of 897236747 in words is "eight hundred ninety-seven million, two hundred thirty-six thousand, seven hundred forty-seven".