799865740 has 48 divisors (see below), whose sum is σ = 1719793152. Its totient is φ = 312348096.

The previous prime is 799865723. The next prime is 799865749. The reversal of 799865740 is 47568997.

It is not an unprimeable number, because it can be changed into a prime (799865749) 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 15 ways as a sum of consecutive naturals, for example, 490807 + ... + 492433.

It is an arithmetic number, because the mean of its divisors is an integer number (35829024).

Almost surely, 2^799865740 is an apocalyptic number.

It is an amenable number.

799865740 is an abundant number, since it is smaller than the sum of its proper divisors (919927412).

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

799865740 is a wasteful number, since it uses less digits than its factorization.

799865740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206 (or 2204 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 55.

The square root of 799865740 is about 28281.8977439634. The cubic root of 799865740 is about 928.2658321741.

The spelling of 799865740 in words is "seven hundred ninety-nine million, eight hundred sixty-five thousand, seven hundred forty".