6768487378 has 8 divisors (see below), whose sum is σ = 10400358780. Its totient is φ = 3301701120.

The previous prime is 6768487373. The next prime is 6768487381. The reversal of 6768487378 is 8737848676.

It can be written as a sum of positive squares in 2 ways, for example, as 5675060889 + 1093426489 = 75333^2 + 33067^2 .

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

It is a super-2 number, since 2×6768487378² = 91624842772290629768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6768487373) 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, 41271183 + ... + 41271346.

Almost surely, 2^6768487378 is an apocalyptic number.

6768487378 is a deficient number, since it is larger than the sum of its proper divisors (3631871402).

6768487378 is a wasteful number, since it uses less digits than its factorization.

6768487378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82542572.

The product of its digits is 75866112, while the sum is 64.

The square root of 6768487378 is about 82270.8172926464. The cubic root of 6768487378 is about 1891.6053825329.

The spelling of 6768487378 in words is "six billion, seven hundred sixty-eight million, four hundred eighty-seven thousand, three hundred seventy-eight".