3785812893 has 12 divisors (see below), whose sum is σ = 5469111388. Its totient is φ = 2523545280.

The previous prime is 3785812883. The next prime is 3785812967. The reversal of 3785812893 is 3982185873.

3785812893 is a `hidden beast` number, since 37 + 8 + 581 + 28 + 9 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2955335769 + 830477124 = 54363^2 + 28818^2 .

It is not a de Polignac number, because 3785812893 - 2¹² = 3785808797 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 (3785812813) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 59721 + ... + 105537.

Almost surely, 2^3785812893 is an apocalyptic number.

It is an amenable number.

3785812893 is a deficient number, since it is larger than the sum of its proper divisors (1683298495).

3785812893 is a wasteful number, since it uses less digits than its factorization.

3785812893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55004 (or 55001 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 3785812893 is about 61528.9597913048. The cubic root of 3785812893 is about 1558.5463245707.

The spelling of 3785812893 in words is "three billion, seven hundred eighty-five million, eight hundred twelve thousand, eight hundred ninety-three".