489578066 has 16 divisors (see below), whose sum is σ = 750679488. Its totient is φ = 239382000.

The previous prime is 489578059. The next prime is 489578081. The reversal of 489578066 is 660875984.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a junction number, because it is equal to n+sod(n) for n = 489577999 and 489578017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25541 + ... + 40391.

It is an arithmetic number, because the mean of its divisors is an integer number (46917468).

Almost surely, 2^489578066 is an apocalyptic number.

489578066 is a deficient number, since it is larger than the sum of its proper divisors (261101422).

489578066 is a wasteful number, since it uses less digits than its factorization.

489578066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15217.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The square root of 489578066 is about 22126.4110510494. The cubic root of 489578066 is about 788.1471645316.

The spelling of 489578066 in words is "four hundred eighty-nine million, five hundred seventy-eight thousand, sixty-six".