3850000085 has 4 divisors (see below), whose sum is σ = 4620000108. Its totient is φ = 3080000064.

The previous prime is 3850000079. The next prime is 3850000201. The reversal of 3850000085 is 5800000583.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1333272196 + 2516727889 = 36514^2 + 50167^2 .

It is a cyclic number.

It is not a de Polignac number, because 3850000085 - 2²⁸ = 3581564629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385000004 + ... + 385000013.

It is an arithmetic number, because the mean of its divisors is an integer number (1155000027).

Almost surely, 2^3850000085 is an apocalyptic number.

It is an amenable number.

3850000085 is a deficient number, since it is larger than the sum of its proper divisors (770000023).

3850000085 is an equidigital number, since it uses as much as digits as its factorization.

3850000085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770000022.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 3850000085 is about 62048.3689149038. The cubic root of 3850000085 is about 1567.3052187750.

The spelling of 3850000085 in words is "three billion, eight hundred fifty million, eighty-five", and thus it is an aban number.