806799997 has 4 divisors (see below), whose sum is σ = 818841856. Its totient is φ = 794758140.

The previous prime is 806799971. The next prime is 806800037. The reversal of 806799997 is 799997608.

806799997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-806799997 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 (806799937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6020829 + ... + 6020962.

It is an arithmetic number, because the mean of its divisors is an integer number (204710464).

Almost surely, 2^806799997 is an apocalyptic number.

It is an amenable number.

806799997 is a deficient number, since it is larger than the sum of its proper divisors (12041859).

806799997 is a wasteful number, since it uses less digits than its factorization.

806799997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12041858.

The product of its (nonzero) digits is 15431472, while the sum is 64.

The square root of 806799997 is about 28404.2249850264. The cubic root of 806799997 is about 930.9405819057.

The spelling of 806799997 in words is "eight hundred six million, seven hundred ninety-nine thousand, nine hundred ninety-seven".