6800620547 has 4 divisors (see below), whose sum is σ = 7772137776. Its totient is φ = 5829103320.

The previous prime is 6800620531. The next prime is 6800620549. The reversal of 6800620547 is 7450260086.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7450260086 = 2 ⋅3725130043.

It is a cyclic number.

It is not a de Polignac number, because 6800620547 - 2⁴ = 6800620531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6800620547.

It is not an unprimeable number, because it can be changed into a prime (6800620549) 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, 485758604 + ... + 485758617.

It is an arithmetic number, because the mean of its divisors is an integer number (1943034444).

Almost surely, 2^6800620547 is an apocalyptic number.

6800620547 is a deficient number, since it is larger than the sum of its proper divisors (971517229).

6800620547 is an equidigital number, since it uses as much as digits as its factorization.

6800620547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971517228.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 6800620547 is about 82465.8750453786. The cubic root of 6800620547 is about 1894.5941024682.

The spelling of 6800620547 in words is "six billion, eight hundred million, six hundred twenty thousand, five hundred forty-seven".