489976767 has 12 divisors (see below), whose sum is σ = 808850640. Its totient is φ = 279986688.

The previous prime is 489976763. The next prime is 489976777. The reversal of 489976767 is 767679984.

489976767 is a `hidden beast` number, since 489 + 97 + 6 + 7 + 67 = 666.

It is not a de Polignac number, because 489976767 - 2² = 489976763 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 7777409 = 489976767 / (4 + 8 + 9 + 9 + 7 + 6 + 7 + 6 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489976763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3888642 + ... + 3888767.

It is an arithmetic number, because the mean of its divisors is an integer number (67404220).

Almost surely, 2^489976767 is an apocalyptic number.

489976767 is a deficient number, since it is larger than the sum of its proper divisors (318873873).

489976767 is a wasteful number, since it uses less digits than its factorization.

489976767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7777422 (or 7777419 counting only the distinct ones).

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

The square root of 489976767 is about 22135.4188349803. The cubic root of 489976767 is about 788.3610560579.

The spelling of 489976767 in words is "four hundred eighty-nine million, nine hundred seventy-six thousand, seven hundred sixty-seven".