6798840777 has 6 divisors (see below), whose sum is σ = 9820547802. Its totient is φ = 4532560512.

The previous prime is 6798840757. The next prime is 6798840781. The reversal of 6798840777 is 7770488976.

It can be written as a sum of positive squares in only one way, i.e., 5872003641 + 926837136 = 76629^2 + 30444^2 .

It is not a de Polignac number, because 6798840777 - 2¹⁶ = 6798775241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6798840757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 377713368 + ... + 377713385.

It is an arithmetic number, because the mean of its divisors is an integer number (1636757967).

Almost surely, 2^6798840777 is an apocalyptic number.

It is an amenable number.

6798840777 is a deficient number, since it is larger than the sum of its proper divisors (3021707025).

6798840777 is a wasteful number, since it uses less digits than its factorization.

6798840777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755426759 (or 755426756 counting only the distinct ones).

The product of its (nonzero) digits is 33191424, while the sum is 63.

The square root of 6798840777 is about 82455.0833908983. The cubic root of 6798840777 is about 1894.4288118686.

The spelling of 6798840777 in words is "six billion, seven hundred ninety-eight million, eight hundred forty thousand, seven hundred seventy-seven".