6778358 has 8 divisors (see below), whose sum is σ = 10296480. Its totient is φ = 3346200.

The previous prime is 6778351. The next prime is 6778379. The reversal of 6778358 is 8538776.

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

It is a super-2 number, since 2×6778358² = 91892274352328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6778351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21293 + ... + 21608.

It is an arithmetic number, because the mean of its divisors is an integer number (1287060).

Almost surely, 2^6778358 is an apocalyptic number.

6778358 is a deficient number, since it is larger than the sum of its proper divisors (3518122).

6778358 is a wasteful number, since it uses less digits than its factorization.

6778358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42982.

The product of its digits is 282240, while the sum is 44.

The square root of 6778358 is about 2603.5279910153. The cubic root of 6778358 is about 189.2524458034.

The spelling of 6778358 in words is "six million, seven hundred seventy-eight thousand, three hundred fifty-eight".