489677697 has 8 divisors (see below), whose sum is σ = 725448480. Its totient is φ = 326451780.

The previous prime is 489677687. The next prime is 489677701. The reversal of 489677697 is 796776984.

489677697 is a `hidden beast` number, since 489 + 67 + 7 + 6 + 97 = 666.

It is not a de Polignac number, because 489677697 - 2⁴ = 489677681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489677627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9068079 + ... + 9068132.

It is an arithmetic number, because the mean of its divisors is an integer number (90681060).

Almost surely, 2^489677697 is an apocalyptic number.

It is an amenable number.

489677697 is a deficient number, since it is larger than the sum of its proper divisors (235770783).

489677697 is a wasteful number, since it uses less digits than its factorization.

489677697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18136220 (or 18136214 counting only the distinct ones).

The product of its digits is 32006016, while the sum is 63.

The square root of 489677697 is about 22128.6623409550. The cubic root of 489677697 is about 788.2006245547.

The spelling of 489677697 in words is "four hundred eighty-nine million, six hundred seventy-seven thousand, six hundred ninety-seven".