3778081028304 has 80 divisors (see below), whose sum is σ = 10703064674304. Its totient is φ = 1138878908800.

The previous prime is 3778081028261. The next prime is 3778081028341. The reversal of 3778081028304 is 4038201808773.

It is a happy number.

It is a super-2 number, since 2×3778081028304² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18630714 + ... + 18832409.

Almost surely, 2^{3778081028304} is an apocalyptic number.

It is an amenable number.

3778081028304 is an abundant number, since it is smaller than the sum of its proper divisors (6924983646000).

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

3778081028304 is a wasteful number, since it uses less digits than its factorization.

3778081028304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37463336 (or 37463330 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 3778081028304 in words is "three trillion, seven hundred seventy-eight billion, eighty-one million, twenty-eight thousand, three hundred four".