489880791 has 20 divisors (see below), whose sum is σ = 732518512. Its totient is φ = 326265408.

The previous prime is 489880763. The next prime is 489880793. The reversal of 489880791 is 197088984.

It is not a de Polignac number, because 489880791 - 2¹⁹ = 489356503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489880793) 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 19 ways as a sum of consecutive naturals, for example, 102726 + ... + 107388.

Almost surely, 2^489880791 is an apocalyptic number.

489880791 is a deficient number, since it is larger than the sum of its proper divisors (242637721).

489880791 is a wasteful number, since it uses less digits than its factorization.

489880791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5972 (or 5963 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The square root of 489880791 is about 22133.2508005489. The cubic root of 489880791 is about 788.3095783235.

The spelling of 489880791 in words is "four hundred eighty-nine million, eight hundred eighty thousand, seven hundred ninety-one".