799035821 has 2 divisors, whose sum is σ = 799035822. Its totient is φ = 799035820.

The previous prime is 799035793. The next prime is 799035833. The reversal of 799035821 is 128530997.

799035821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 702780100 + 96255721 = 26510^2 + 9811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-799035821 is a prime.

It is a super-2 number, since 2×799035821² = 1276916486482288082, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (799035841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399517910 + 399517911.

It is an arithmetic number, because the mean of its divisors is an integer number (399517911).

Almost surely, 2^799035821 is an apocalyptic number.

It is an amenable number.

799035821 is a deficient number, since it is larger than the sum of its proper divisors (1).

799035821 is an equidigital number, since it uses as much as digits as its factorization.

799035821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 799035821 is about 28267.2216710451. The cubic root of 799035821 is about 927.9446732554.

The spelling of 799035821 in words is "seven hundred ninety-nine million, thirty-five thousand, eight hundred twenty-one".