6778504602 has 40 divisors (see below), whose sum is σ = 15712636500. Its totient is φ = 2181586176.

The previous prime is 6778504583. The next prime is 6778504633. The reversal of 6778504602 is 2064058776.

It can be written as a sum of positive squares in 2 ways, for example, as 6231365721 + 547138881 = 78939^2 + 23391^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 716727 + ... + 726122.

Almost surely, 2^6778504602 is an apocalyptic number.

6778504602 is an abundant number, since it is smaller than the sum of its proper divisors (8934131898).

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

6778504602 is a wasteful number, since it uses less digits than its factorization.

6778504602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442892 (or 1442883 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 6778504602 is about 82331.6743544063. The cubic root of 6778504602 is about 1892.5381017454.

The spelling of 6778504602 in words is "six billion, seven hundred seventy-eight million, five hundred four thousand, six hundred two".