6780955 has 8 divisors (see below), whose sum is σ = 8154432. Its totient is φ = 5413248.

The previous prime is 6780941. The next prime is 6780959. The reversal of 6780955 is 5590876.

It is a happy number.

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 6780955 - 2⁷ = 6780827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6780959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1822 + ... + 4108.

It is an arithmetic number, because the mean of its divisors is an integer number (1019304).

Almost surely, 2^6780955 is an apocalyptic number.

6780955 is a deficient number, since it is larger than the sum of its proper divisors (1373477).

6780955 is a wasteful number, since it uses less digits than its factorization.

6780955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 6780955 is about 2604.0266895714. The cubic root of 6780955 is about 189.2766122189.

The spelling of 6780955 in words is "six million, seven hundred eighty thousand, nine hundred fifty-five".