489678876897 has 8 divisors (see below), whose sum is σ = 746177336256. Its totient is φ = 279816501072.

The previous prime is 489678876871. The next prime is 489678876899. The reversal of 489678876897 is 798678876984.

It is a happy number.

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

It is not a de Polignac number, because 489678876897 - 2⁶ = 489678876833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489678876899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11659020858 + ... + 11659020899.

It is an arithmetic number, because the mean of its divisors is an integer number (93272167032).

Almost surely, 2^489678876897 is an apocalyptic number.

It is an amenable number.

489678876897 is a deficient number, since it is larger than the sum of its proper divisors (256498459359).

489678876897 is a wasteful number, since it uses less digits than its factorization.

489678876897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23318041767.

The product of its digits is 16387080192, while the sum is 87.

Adding to 489678876897 its sum of digits (87), we get a palindrome (489678876984).

The spelling of 489678876897 in words is "four hundred eighty-nine billion, six hundred seventy-eight million, eight hundred seventy-six thousand, eight hundred ninety-seven".