3939776077776 has 640 divisors, whose sum is σ = 13550294630400. Its totient is φ = 976640716800.

The previous prime is 3939776077651. The next prime is 3939776077789. The reversal of 3939776077776 is 6777706779393.

It is a super-2 number, since 2×3939776077776² (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 127 ways as a sum of consecutive naturals, for example, 409833546 + ... + 409843158.

It is an arithmetic number, because the mean of its divisors is an integer number (21172335360).

Almost surely, 2^{3939776077776} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3939776077776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6775147315200).

3939776077776 is an abundant number, since it is smaller than the sum of its proper divisors (9610518552624).

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

3939776077776 is a wasteful number, since it uses less digits than its factorization.

3939776077776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9760 (or 9740 counting only the distinct ones).

The product of its (nonzero) digits is 3087580356, while the sum is 78.

The spelling of 3939776077776 in words is "three trillion, nine hundred thirty-nine billion, seven hundred seventy-six million, seventy-seven thousand, seven hundred seventy-six".