897941218047 has 8 divisors (see below), whose sum is σ = 1197260030256. Its totient is φ = 598624942272.

The previous prime is 897941217967. The next prime is 897941218073. The reversal of 897941218047 is 740812149798.

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

It is not a de Polignac number, because 897941218047 - 2³² = 893646250751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897941219047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463203 + ... + 1417899.

It is an arithmetic number, because the mean of its divisors is an integer number (149657503782).

Almost surely, 2^897941218047 is an apocalyptic number.

897941218047 is a deficient number, since it is larger than the sum of its proper divisors (299318812209).

897941218047 is a wasteful number, since it uses less digits than its factorization.

897941218047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268217.

The product of its (nonzero) digits is 8128512, while the sum is 60.

The spelling of 897941218047 in words is "eight hundred ninety-seven billion, nine hundred forty-one million, two hundred eighteen thousand, forty-seven".