6778996 has 24 divisors (see below), whose sum is σ = 13628160. Its totient is φ = 2890272.

The previous prime is 6778973. The next prime is 6779023. The reversal of 6778996 is 6998776.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6186 + ... + 7198.

It is an arithmetic number, because the mean of its divisors is an integer number (567840).

Almost surely, 2^6778996 is an apocalyptic number.

It is an amenable number.

6778996 is an abundant number, since it is smaller than the sum of its proper divisors (6849164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6778996 is a wasteful number, since it uses less digits than its factorization.

6778996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263 (or 1261 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 52.

The square root of 6778996 is about 2603.6505141820. The cubic root of 6778996 is about 189.2583832922.

The spelling of 6778996 in words is "six million, seven hundred seventy-eight thousand, nine hundred ninety-six".