897984767489798 has 4 divisors (see below), whose sum is σ = 1346977151234700. Its totient is φ = 448992383744898.

The previous prime is 897984767489783. The next prime is 897984767489899.

897984767489798 is nontrivially palindromic in base 10.

897984767489798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224496191872448 + ... + 224496191872451.

It is an arithmetic number, because the mean of its divisors is an integer number (336744287808675).

Almost surely, 2^{897984767489798} is an apocalyptic number.

897984767489798 is a deficient number, since it is larger than the sum of its proper divisors (448992383744902).

897984767489798 is a wasteful number, since it uses less digits than its factorization.

897984767489798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448992383744901.

The product of its digits is 6194316312576, while the sum is 110.

The spelling of 897984767489798 in words is "eight hundred ninety-seven trillion, nine hundred eighty-four billion, seven hundred sixty-seven million, four hundred eighty-nine thousand, seven hundred ninety-eight".