6798919057 has 8 divisors (see below), whose sum is σ = 7775574656. Its totient is φ = 5823608832.

The previous prime is 6798919037. The next prime is 6798919063. The reversal of 6798919057 is 7509198976.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6798919057 - 2²³ = 6790530449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6798918986 and 6798919004.

It is not an unprimeable number, because it can be changed into a prime (6798919027) 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 7 ways as a sum of consecutive naturals, for example, 325488 + ... + 345745.

It is an arithmetic number, because the mean of its divisors is an integer number (971946832).

Almost surely, 2^6798919057 is an apocalyptic number.

It is an amenable number.

6798919057 is a deficient number, since it is larger than the sum of its proper divisors (976655599).

6798919057 is a wasteful number, since it uses less digits than its factorization.

6798919057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672687.

The product of its (nonzero) digits is 8573040, while the sum is 61.

The square root of 6798919057 is about 82455.5580722125. The cubic root of 6798919057 is about 1894.4360824864.

The spelling of 6798919057 in words is "six billion, seven hundred ninety-eight million, nine hundred nineteen thousand, fifty-seven".