3784664873 has 4 divisors (see below), whose sum is σ = 4128725328. Its totient is φ = 3440604420.

The previous prime is 3784664837. The next prime is 3784664893.

3784664873 is nontrivially palindromic in base 10.

3784664873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 3784664873 - 2³⁰ = 2710923049 is a prime.

It is a super-2 number, since 2×3784664873² = 28647376401840212258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3784664813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172030211 + ... + 172030232.

It is an arithmetic number, because the mean of its divisors is an integer number (1032181332).

Almost surely, 2^3784664873 is an apocalyptic number.

It is an amenable number.

3784664873 is a deficient number, since it is larger than the sum of its proper divisors (344060455).

3784664873 is a wasteful number, since it uses less digits than its factorization.

3784664873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344060454.

The product of its digits is 16257024, while the sum is 56.

The square root of 3784664873 is about 61519.6299810069. The cubic root of 3784664873 is about 1558.3887693956.

The spelling of 3784664873 in words is "three billion, seven hundred eighty-four million, six hundred sixty-four thousand, eight hundred seventy-three".