499978467 has 8 divisors (see below), whose sum is σ = 740708880. Its totient is φ = 333318960.

The previous prime is 499978463. The next prime is 499978481. The reversal of 499978467 is 764879994.

499978467 is a `hidden beast` number, since 499 + 9 + 7 + 84 + 67 = 666.

It is not a de Polignac number, because 499978467 - 2² = 499978463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (499978463) 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, 9258834 + ... + 9258887.

It is an arithmetic number, because the mean of its divisors is an integer number (92588610).

Almost surely, 2^499978467 is an apocalyptic number.

499978467 is a deficient number, since it is larger than the sum of its proper divisors (240730413).

499978467 is a wasteful number, since it uses less digits than its factorization.

499978467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18517730 (or 18517724 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The square root of 499978467 is about 22360.1982772962. The cubic root of 499978467 is about 793.6891319849.

The spelling of 499978467 in words is "four hundred ninety-nine million, nine hundred seventy-eight thousand, four hundred sixty-seven".