3785137851 has 48 divisors (see below), whose sum is σ = 5881723904. Its totient is φ = 2159784000.

The previous prime is 3785137843. The next prime is 3785137879. The reversal of 3785137851 is 1587315873.

It is not a de Polignac number, because 3785137851 - 2³ = 3785137843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3785137851.

It is not an unprimeable number, because it can be changed into a prime (3785137351) 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 47 ways as a sum of consecutive naturals, for example, 411816 + ... + 420906.

Almost surely, 2^3785137851 is an apocalyptic number.

3785137851 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3785137851 is a deficient number, since it is larger than the sum of its proper divisors (2096586053).

3785137851 is a wasteful number, since it uses less digits than its factorization.

3785137851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9184 (or 9173 counting only the distinct ones).

The product of its digits is 705600, while the sum is 48.

The square root of 3785137851 is about 61523.4739835130. The cubic root of 3785137851 is about 1558.4536851301.

The spelling of 3785137851 in words is "three billion, seven hundred eighty-five million, one hundred thirty-seven thousand, eight hundred fifty-one".