488677509 has 8 divisors (see below), whose sum is σ = 723966720. Its totient is φ = 325784988.

The previous prime is 488677487. The next prime is 488677513. The reversal of 488677509 is 905776884.

It is not a de Polignac number, because 488677509 - 2⁸ = 488677253 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488677559) 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, 9049557 + ... + 9049610.

It is an arithmetic number, because the mean of its divisors is an integer number (90495840).

Almost surely, 2^488677509 is an apocalyptic number.

It is an amenable number.

488677509 is a deficient number, since it is larger than the sum of its proper divisors (235289211).

488677509 is a wasteful number, since it uses less digits than its factorization.

488677509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18099176 (or 18099170 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The square root of 488677509 is about 22106.0514113217. The cubic root of 488677509 is about 787.6636140771.

The spelling of 488677509 in words is "four hundred eighty-eight million, six hundred seventy-seven thousand, five hundred nine".