488397789 has 16 divisors (see below), whose sum is σ = 789330240. Its totient is φ = 295998480.

The previous prime is 488397769. The next prime is 488397799. The reversal of 488397789 is 987793884.

488397789 is a `hidden beast` number, since 488 + 3 + 9 + 77 + 89 = 666.

It is not a de Polignac number, because 488397789 - 2¹² = 488393693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488397769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 821922 + ... + 822515.

It is an arithmetic number, because the mean of its divisors is an integer number (49333140).

Almost surely, 2^488397789 is an apocalyptic number.

It is an amenable number.

488397789 is a deficient number, since it is larger than the sum of its proper divisors (300932451).

488397789 is a wasteful number, since it uses less digits than its factorization.

488397789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644457 (or 1644451 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 63.

The square root of 488397789 is about 22099.7237313049. The cubic root of 488397789 is about 787.5132986416.

The spelling of 488397789 in words is "four hundred eighty-eight million, three hundred ninety-seven thousand, seven hundred eighty-nine".