488763639 has 144 divisors (see below), whose sum is σ = 971582976. Its totient is φ = 238645440.

The previous prime is 488763607. The next prime is 488763641. The reversal of 488763639 is 936367884.

It is not a de Polignac number, because 488763639 - 2⁵ = 488763607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488763839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 15766554 + ... + 15766584.

It is an arithmetic number, because the mean of its divisors is an integer number (6747104).

Almost surely, 2^488763639 is an apocalyptic number.

488763639 is a deficient number, since it is larger than the sum of its proper divisors (482819337).

488763639 is a wasteful number, since it uses less digits than its factorization.

488763639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 77 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 488763639 is about 22107.9994345938. Note that the first 3 decimals coincide. The cubic root of 488763639 is about 787.7098869125.

The spelling of 488763639 in words is "four hundred eighty-eight million, seven hundred sixty-three thousand, six hundred thirty-nine".