3779980081 has 4 divisors (see below), whose sum is σ = 3844047600. Its totient is φ = 3715912564.

The previous prime is 3779980067. The next prime is 3779980091. The reversal of 3779980081 is 1800899773.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3779980081 - 2²⁵ = 3746425649 is a prime.

It is a super-2 number, since 2×3779980081² = 28576498825513533122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3779980091) 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, 32033671 + ... + 32033788.

It is an arithmetic number, because the mean of its divisors is an integer number (961011900).

Almost surely, 2^3779980081 is an apocalyptic number.

It is an amenable number.

3779980081 is a deficient number, since it is larger than the sum of its proper divisors (64067519).

3779980081 is an equidigital number, since it uses as much as digits as its factorization.

3779980081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64067518.

The product of its (nonzero) digits is 762048, while the sum is 52.

The square root of 3779980081 is about 61481.5426042646. The cubic root of 3779980081 is about 1557.7454943259.

The spelling of 3779980081 in words is "three billion, seven hundred seventy-nine million, nine hundred eighty thousand, eighty-one".