488778 has 8 divisors (see below), whose sum is σ = 977568. Its totient is φ = 162924.

The previous prime is 488759. The next prime is 488779. The reversal of 488778 is 877884.

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

488778 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (488779) by changing a digit.

488778 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 40726 + ... + 40737.

It is an arithmetic number, because the mean of its divisors is an integer number (122196).

2⁴⁸⁸⁷⁷⁸ is an apocalyptic number.

488778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

488778 is a wasteful number, since it uses less digits than its factorization.

488778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81468.

The product of its digits is 100352, while the sum is 42.

The square root of 488778 is about 699.1265979778. The cubic root of 488778 is about 78.7717601746.

The spelling of 488778 in words is "four hundred eighty-eight thousand, seven hundred seventy-eight".