6805759997 has 4 divisors (see below), whose sum is σ = 6898989660. Its totient is φ = 6712530336.

The previous prime is 6805759981. The next prime is 6805760021. The reversal of 6805759997 is 7999575086.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3973285156 + 2832474841 = 63034^2 + 53221^2 .

It is a cyclic number.

It is not a de Polignac number, because 6805759997 - 2⁴ = 6805759981 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 (6805759297) 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, 46614722 + ... + 46614867.

It is an arithmetic number, because the mean of its divisors is an integer number (1724747415).

Almost surely, 2^6805759997 is an apocalyptic number.

It is an amenable number.

6805759997 is a deficient number, since it is larger than the sum of its proper divisors (93229663).

6805759997 is an equidigital number, since it uses as much as digits as its factorization.

6805759997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93229662.

The product of its (nonzero) digits is 42865200, while the sum is 65.

The square root of 6805759997 is about 82497.0302313968. The cubic root of 6805759997 is about 1895.0712510716.

The spelling of 6805759997 in words is "six billion, eight hundred five million, seven hundred fifty-nine thousand, nine hundred ninety-seven".