499999770 has 32 divisors (see below), whose sum is σ = 1333333440. Its totient is φ = 133333200.

The previous prime is 499999751. The next prime is 499999831. The reversal of 499999770 is 77999994.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 499999698 and 499999707.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 925656 + ... + 926195.

It is an arithmetic number, because the mean of its divisors is an integer number (41666670).

Almost surely, 2^499999770 is an apocalyptic number.

499999770 is an abundant number, since it is smaller than the sum of its proper divisors (833333670).

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

499999770 is a wasteful number, since it uses less digits than its factorization.

499999770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851867 (or 1851861 counting only the distinct ones).

The product of its (nonzero) digits is 11573604, while the sum is 63.

The square root of 499999770 is about 22360.6746320410. The cubic root of 499999770 is about 793.7004042833.

The spelling of 499999770 in words is "four hundred ninety-nine million, nine hundred ninety-nine thousand, seven hundred seventy".