489578437676 has 24 divisors (see below), whose sum is σ = 907192424880. Its totient is φ = 230381629952.

The previous prime is 489578437661. The next prime is 489578437703. The reversal of 489578437676 is 676734875984.

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, 2063720 + ... + 2288688.

It is an arithmetic number, because the mean of its divisors is an integer number (37799684370).

Almost surely, 2^489578437676 is an apocalyptic number.

It is an amenable number.

489578437676 is a deficient number, since it is larger than the sum of its proper divisors (417613987204).

489578437676 is a wasteful number, since it uses less digits than its factorization.

489578437676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256993 (or 256991 counting only the distinct ones).

The product of its digits is 1706987520, while the sum is 74.

The spelling of 489578437676 in words is "four hundred eighty-nine billion, five hundred seventy-eight million, four hundred thirty-seven thousand, six hundred seventy-six".