3785544081 has 24 divisors (see below), whose sum is σ = 5979748320. Its totient is φ = 2288635200.

The previous prime is 3785544053. The next prime is 3785544083. The reversal of 3785544081 is 1804455873.

It is not a de Polignac number, because 3785544081 - 2⁷ = 3785543953 is a prime.

It is a super-2 number, since 2×3785544081² = 28660687978388269122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3785544083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6255 + ... + 87236.

It is an arithmetic number, because the mean of its divisors is an integer number (249156180).

Almost surely, 2^3785544081 is an apocalyptic number.

It is an amenable number.

3785544081 is a deficient number, since it is larger than the sum of its proper divisors (2194204239).

3785544081 is a wasteful number, since it uses less digits than its factorization.

3785544081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93917 (or 93914 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 3785544081 is about 61526.7753177428. The cubic root of 3785544081 is about 1558.5094354549.

The spelling of 3785544081 in words is "three billion, seven hundred eighty-five million, five hundred forty-four thousand, eighty-one".