4077838081 has 4 divisors (see below), whose sum is σ = 4078722132. Its totient is φ = 4076954032.

The previous prime is 4077838067. The next prime is 4077838091. The reversal of 4077838081 is 1808387704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2915028081 + 1162810000 = 53991^2 + 34100^2 .

It is a cyclic number.

It is not a de Polignac number, because 4077838081 - 2¹¹ = 4077836033 is a prime.

It is a super-2 number, since 2×4077838081² = 33257526829707525122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4077838001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435070 + ... + 444343.

It is an arithmetic number, because the mean of its divisors is an integer number (1019680533).

Almost surely, 2^4077838081 is an apocalyptic number.

It is an amenable number.

4077838081 is a deficient number, since it is larger than the sum of its proper divisors (884051).

4077838081 is an equidigital number, since it uses as much as digits as its factorization.

4077838081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884050.

The product of its (nonzero) digits is 301056, while the sum is 46.

The square root of 4077838081 is about 63857.9523708676. The cubic root of 4077838081 is about 1597.6316628886.

The spelling of 4077838081 in words is "four billion, seventy-seven million, eight hundred thirty-eight thousand, eighty-one".