3785699873 has 4 divisors (see below), whose sum is σ = 3791551680. Its totient is φ = 3779848068.

The previous prime is 3785699867. The next prime is 3785699891. The reversal of 3785699873 is 3789965873.

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 3785699873 - 2¹⁰ = 3785698849 is a prime.

It is a super-2 number, since 2×3785699873² = 28663047056864432258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3785690873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2924933 + ... + 2926226.

It is an arithmetic number, because the mean of its divisors is an integer number (947887920).

Almost surely, 2^3785699873 is an apocalyptic number.

It is an amenable number.

3785699873 is a deficient number, since it is larger than the sum of its proper divisors (5851807).

3785699873 is an equidigital number, since it uses as much as digits as its factorization.

3785699873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5851806.

The product of its digits is 68584320, while the sum is 65.

The square root of 3785699873 is about 61528.0413551415. The cubic root of 3785699873 is about 1558.5308150299.

The spelling of 3785699873 in words is "three billion, seven hundred eighty-five million, six hundred ninety-nine thousand, eight hundred seventy-three".