6906755378 has 8 divisors (see below), whose sum is σ = 10529971500. Its totient is φ = 3396764880.

The previous prime is 6906755371. The next prime is 6906755411. The reversal of 6906755378 is 8735576096.

It can be written as a sum of positive squares in 2 ways, for example, as 4799302729 + 2107452649 = 69277^2 + 45907^2 .

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 (6906755371) 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, 28306253 + ... + 28306496.

Almost surely, 2^6906755378 is an apocalyptic number.

6906755378 is a deficient number, since it is larger than the sum of its proper divisors (3623216122).

6906755378 is a wasteful number, since it uses less digits than its factorization.

6906755378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56612812.

The product of its (nonzero) digits is 9525600, while the sum is 56.

The square root of 6906755378 is about 83106.8912786419. The cubic root of 6906755378 is about 1904.3993511907.

The spelling of 6906755378 in words is "six billion, nine hundred six million, seven hundred fifty-five thousand, three hundred seventy-eight".