3817200081 has 32 divisors (see below), whose sum is σ = 5508518400. Its totient is φ = 2346014720.

The previous prime is 3817200071. The next prime is 3817200103. The reversal of 3817200081 is 1800027183.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3817200081 - 2⁶ = 3817200017 is a prime.

It is a super-2 number, since 2×3817200081² = 29142032916772813122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3817200031) 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 31 ways as a sum of consecutive naturals, for example, 156265 + ... + 179033.

It is an arithmetic number, because the mean of its divisors is an integer number (172141200).

Almost surely, 2^3817200081 is an apocalyptic number.

It is an amenable number.

3817200081 is a deficient number, since it is larger than the sum of its proper divisors (1691318319).

3817200081 is a wasteful number, since it uses less digits than its factorization.

3817200081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22889.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 3817200081 is about 61783.4935965910. The cubic root of 3817200081 is about 1562.8416430197.

The spelling of 3817200081 in words is "three billion, eight hundred seventeen million, two hundred thousand, eighty-one".