799020909 has 8 divisors (see below), whose sum is σ = 1183734720. Its totient is φ = 532680588.

The previous prime is 799020899. The next prime is 799020917. The reversal of 799020909 is 909020997.

It is not a de Polignac number, because 799020909 - 2¹¹ = 799018861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799020949) 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, 14796657 + ... + 14796710.

It is an arithmetic number, because the mean of its divisors is an integer number (147966840).

Almost surely, 2^799020909 is an apocalyptic number.

It is an amenable number.

799020909 is a deficient number, since it is larger than the sum of its proper divisors (384713811).

799020909 is a wasteful number, since it uses less digits than its factorization.

799020909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29593376 (or 29593370 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 45.

The square root of 799020909 is about 28266.9579014085. The cubic root of 799020909 is about 927.9389006326.

The spelling of 799020909 in words is "seven hundred ninety-nine million, twenty thousand, nine hundred nine".