488687731 has 6 divisors (see below), whose sum is σ = 568473540. Its totient is φ = 418875156.

The previous prime is 488687707. The next prime is 488687741. The reversal of 488687731 is 137786884.

It is not a de Polignac number, because 488687731 - 2⁵ = 488687699 is a prime.

It is a super-2 number, since 2×488687731² = 477631396859856722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (488687741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4986561 + ... + 4986658.

It is an arithmetic number, because the mean of its divisors is an integer number (94745590).

Almost surely, 2^488687731 is an apocalyptic number.

488687731 is a deficient number, since it is larger than the sum of its proper divisors (79785809).

488687731 is an equidigital number, since it uses as much as digits as its factorization.

488687731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9973233 (or 9973226 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 52.

The square root of 488687731 is about 22106.2826137729. The cubic root of 488687731 is about 787.6691060708.

The spelling of 488687731 in words is "four hundred eighty-eight million, six hundred eighty-seven thousand, seven hundred thirty-one".