499954687 has 8 divisors (see below), whose sum is σ = 505895936. Its totient is φ = 494034552.

The previous prime is 499954673. The next prime is 499954691. The reversal of 499954687 is 786459994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499954687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499954667) 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, 45178 + ... + 55144.

It is an arithmetic number, because the mean of its divisors is an integer number (63236992).

Almost surely, 2^499954687 is an apocalyptic number.

499954687 is a deficient number, since it is larger than the sum of its proper divisors (5941249).

499954687 is a wasteful number, since it uses less digits than its factorization.

499954687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10557.

The product of its digits is 19595520, while the sum is 61.

The square root of 499954687 is about 22359.6665225580. Note that the first 3 decimals coincide. The cubic root of 499954687 is about 793.6765486251.

The spelling of 499954687 in words is "four hundred ninety-nine million, nine hundred fifty-four thousand, six hundred eighty-seven".