489677776907 has 32 divisors (see below), whose sum is σ = 571884192000. Its totient is φ = 415001059200.

The previous prime is 489677776897. The next prime is 489677776909. The reversal of 489677776907 is 709677776984.

It is a cyclic number.

It is not a de Polignac number, because 489677776907 - 2⁶ = 489677776843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489677776909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1387844 + ... + 1704542.

It is an arithmetic number, because the mean of its divisors is an integer number (17871381000).

Almost surely, 2^489677776907 is an apocalyptic number.

489677776907 is a deficient number, since it is larger than the sum of its proper divisors (82206415093).

489677776907 is a wasteful number, since it uses less digits than its factorization.

489677776907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316907.

The product of its (nonzero) digits is 1568294784, while the sum is 77.

Adding to 489677776907 its sum of digits (77), we get a palindrome (489677776984).

The spelling of 489677776907 in words is "four hundred eighty-nine billion, six hundred seventy-seven million, seven hundred seventy-six thousand, nine hundred seven".