499999788 has 36 divisors (see below), whose sum is σ = 1307473440. Its totient is φ = 160919136.

The previous prime is 499999751. The next prime is 499999831. The reversal of 499999788 is 887999994.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238420 + ... + 240507.

Almost surely, 2^499999788 is an apocalyptic number.

It is an amenable number.

499999788 is an abundant number, since it is smaller than the sum of its proper divisors (807473652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499999788 is a wasteful number, since it uses less digits than its factorization.

499999788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478966 (or 478961 counting only the distinct ones).

The product of its digits is 105815808, while the sum is 72.

The square root of 499999788 is about 22360.6750345333. The cubic root of 499999788 is about 793.7004138077.

The spelling of 499999788 in words is "four hundred ninety-nine million, nine hundred ninety-nine thousand, seven hundred eighty-eight".