3777981914 has 16 divisors (see below), whose sum is σ = 6523137600. Its totient is φ = 1607485824.

The previous prime is 3777981913. The next prime is 3777981943. The reversal of 3777981914 is 4191897773.

It is a super-2 number, since 2×3777981914² = 28546294685022206792, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3777981914.

It is not an unprimeable number, because it can be changed into a prime (3777981913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968759 + ... + 972650.

It is an arithmetic number, because the mean of its divisors is an integer number (407696100).

Almost surely, 2^3777981914 is an apocalyptic number.

3777981914 is a deficient number, since it is larger than the sum of its proper divisors (2745155686).

3777981914 is a wasteful number, since it uses less digits than its factorization.

3777981914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941557.

The product of its digits is 2667168, while the sum is 56.

The square root of 3777981914 is about 61465.2903190085. The cubic root of 3777981914 is about 1557.4709616387.

The spelling of 3777981914 in words is "three billion, seven hundred seventy-seven million, nine hundred eighty-one thousand, nine hundred fourteen".