488669987 has 8 divisors (see below), whose sum is σ = 553958160. Its totient is φ = 427338720.

The previous prime is 488669977. The next prime is 488670047. The reversal of 488669987 is 789966884.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 488669987 - 2⁴ = 488669971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (488669917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988964 + ... + 989457.

It is an arithmetic number, because the mean of its divisors is an integer number (69244770).

Almost surely, 2^488669987 is an apocalyptic number.

488669987 is a deficient number, since it is larger than the sum of its proper divisors (65288173).

488669987 is a wasteful number, since it uses less digits than its factorization.

488669987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978453.

The product of its digits is 41803776, while the sum is 65.

The square root of 488669987 is about 22105.8812762577. The cubic root of 488669987 is about 787.6595726688.

The spelling of 488669987 in words is "four hundred eighty-eight million, six hundred sixty-nine thousand, nine hundred eighty-seven".