3837678813 has 12 divisors (see below), whose sum is σ = 5693133628. Its totient is φ = 2489304960.

The previous prime is 3837678811. The next prime is 3837678829. The reversal of 3837678813 is 3188767383.

It can be written as a sum of positive squares in 2 ways, for example, as 3414882969 + 422795844 = 58437^2 + 20562^2 .

It is not a de Polignac number, because 3837678813 - 2¹ = 3837678811 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 3837678813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3837678811) 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, 5761948 + ... + 5762613.

Almost surely, 2^3837678813 is an apocalyptic number.

It is an amenable number.

3837678813 is a deficient number, since it is larger than the sum of its proper divisors (1855454815).

3837678813 is a wasteful number, since it uses less digits than its factorization.

3837678813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11524604 (or 11524601 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 3837678813 is about 61949.0017110849. The cubic root of 3837678813 is about 1565.6314671802.

The spelling of 3837678813 in words is "three billion, eight hundred thirty-seven million, six hundred seventy-eight thousand, eight hundred thirteen".