3781832087 has 64 divisors (see below), whose sum is σ = 4712722560. Its totient is φ = 2993356800.

The previous prime is 3781832077. The next prime is 3781832113. The reversal of 3781832087 is 7802381873.

It is a happy number.

It is not a de Polignac number, because 3781832087 - 2⁴ = 3781832071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3781832077) 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 63 ways as a sum of consecutive naturals, for example, 16230923 + ... + 16231155.

It is an arithmetic number, because the mean of its divisors is an integer number (73636290).

Almost surely, 2^3781832087 is an apocalyptic number.

3781832087 is a deficient number, since it is larger than the sum of its proper divisors (930890473).

3781832087 is a wasteful number, since it uses less digits than its factorization.

3781832087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 3781832087 is about 61496.6022394734. The cubic root of 3781832087 is about 1557.9998592437. Note that the first 3 decimals are identical.

The spelling of 3781832087 in words is "three billion, seven hundred eighty-one million, eight hundred thirty-two thousand, eighty-seven".