6777373776 has 80 divisors (see below), whose sum is σ = 18170265600. Its totient is φ = 2174201344.

The previous prime is 6777373723. The next prime is 6777373787. The reversal of 6777373776 is 6773737776.

It is a super-2 number, since 2×6777373776² = 91865590599224996352, which 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, 433585 + ... + 448943.

It is an arithmetic number, because the mean of its divisors is an integer number (227128320).

Almost surely, 2^6777373776 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 6777373776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9085132800).

6777373776 is an abundant number, since it is smaller than the sum of its proper divisors (11392891824).

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

6777373776 is a wasteful number, since it uses less digits than its factorization.

6777373776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15716 (or 15710 counting only the distinct ones).

The product of its digits is 38118276, while the sum is 60.

The square root of 6777373776 is about 82324.8065652146. The cubic root of 6777373776 is about 1892.4328548196.

The spelling of 6777373776 in words is "six billion, seven hundred seventy-seven million, three hundred seventy-three thousand, seven hundred seventy-six".