6797978 has 8 divisors (see below), whose sum is σ = 11124000. Its totient is φ = 3089980.

The previous prime is 6797963. The next prime is 6797981. The reversal of 6797978 is 8797976.

It is a happy number.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154478 + ... + 154521.

It is an arithmetic number, because the mean of its divisors is an integer number (1390500).

Almost surely, 2^6797978 is an apocalyptic number.

6797978 is a deficient number, since it is larger than the sum of its proper divisors (4326022).

6797978 is a wasteful number, since it uses less digits than its factorization.

6797978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309012.

The product of its digits is 1333584, while the sum is 53.

The square root of 6797978 is about 2607.2932324539. The cubic root of 6797978 is about 189.4348673759.

It can be divided in two parts, 6797 and 978, that multiplied together give a palindrome (6647466).

The spelling of 6797978 in words is "six million, seven hundred ninety-seven thousand, nine hundred seventy-eight".