3777381376 has 22 divisors (see below), whose sum is σ = 7551075950. Its totient is φ = 1888690176.

The previous prime is 3777381371. The next prime is 3777381383. The reversal of 3777381376 is 6731837773.

It can be written as a sum of positive squares in only one way, i.e., 3619225600 + 158155776 = 60160^2 + 12576^2 .

It is a super-3 number, since 3×3777381376³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (3777381371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1843401 + ... + 1845448.

It is an arithmetic number, because the mean of its divisors is an integer number (343230725).

Almost surely, 2^3777381376 is an apocalyptic number.

It is an amenable number.

3777381376 is a deficient number, since it is larger than the sum of its proper divisors (3773694574).

3777381376 is an equidigital number, since it uses as much as digits as its factorization.

3777381376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3688869 (or 3688851 counting only the distinct ones).

The product of its digits is 3111696, while the sum is 52.

The square root of 3777381376 is about 61460.4049449725. The cubic root of 3777381376 is about 1557.3884334459.

The spelling of 3777381376 in words is "three billion, seven hundred seventy-seven million, three hundred eighty-one thousand, three hundred seventy-six".