488778984 has 48 divisors (see below), whose sum is σ = 1366485120. Its totient is φ = 157669920.

The previous prime is 488778977. The next prime is 488779001. The reversal of 488778984 is 489877884.

488778984 is a `hidden beast` number, since 488 + 7 + 78 + 9 + 84 = 666.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 107262 + ... + 111725.

It is an arithmetic number, because the mean of its divisors is an integer number (28468440).

Almost surely, 2^488778984 is an apocalyptic number.

It is an amenable number.

488778984 is an abundant number, since it is smaller than the sum of its proper divisors (877706136).

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

488778984 is a wasteful number, since it uses less digits than its factorization.

488778984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219030 (or 219023 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 63.

The square root of 488778984 is about 22108.3464781969. The cubic root of 488778984 is about 787.7181303528.

The spelling of 488778984 in words is "four hundred eighty-eight million, seven hundred seventy-eight thousand, nine hundred eighty-four".