6785878346 has 8 divisors (see below), whose sum is σ = 10961803524. Its totient is φ = 3131943840.

The previous prime is 6785878343. The next prime is 6785878387. The reversal of 6785878346 is 6438785876.

It can be written as a sum of positive squares in 2 ways, for example, as 6783334321 + 2544025 = 82361^2 + 1595^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6785878343) 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, 130497635 + ... + 130497686.

Almost surely, 2^6785878346 is an apocalyptic number.

6785878346 is a deficient number, since it is larger than the sum of its proper divisors (4175925178).

6785878346 is a wasteful number, since it uses less digits than its factorization.

6785878346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260995336.

The product of its digits is 54190080, while the sum is 62.

The square root of 6785878346 is about 82376.4429069379. The cubic root of 6785878346 is about 1893.2240954451.

The spelling of 6785878346 in words is "six billion, seven hundred eighty-five million, eight hundred seventy-eight thousand, three hundred forty-six".