799511863 has 8 divisors (see below), whose sum is σ = 808421888. Its totient is φ = 790642944.

The previous prime is 799511827. The next prime is 799511879. The reversal of 799511863 is 368115997.

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-799511863 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 (799511803) 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 7 ways as a sum of consecutive naturals, for example, 29695 + ... + 49807.

It is an arithmetic number, because the mean of its divisors is an integer number (101052736).

Almost surely, 2^799511863 is an apocalyptic number.

799511863 is a deficient number, since it is larger than the sum of its proper divisors (8910025).

799511863 is a wasteful number, since it uses less digits than its factorization.

799511863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20553.

The product of its digits is 408240, while the sum is 49.

The square root of 799511863 is about 28275.6408061780. The cubic root of 799511863 is about 928.1289173698.

The spelling of 799511863 in words is "seven hundred ninety-nine million, five hundred eleven thousand, eight hundred sixty-three".