3813538877 has 2 divisors, whose sum is σ = 3813538878. Its totient is φ = 3813538876.

The previous prime is 3813538867. The next prime is 3813538901. The reversal of 3813538877 is 7788353183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3014119801 + 799419076 = 54901^2 + 28274^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3813538877 is a prime.

It is a super-2 number, since 2×3813538877² = 29086157532780842258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3813538867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1906769438 + 1906769439.

It is an arithmetic number, because the mean of its divisors is an integer number (1906769439).

Almost surely, 2^3813538877 is an apocalyptic number.

It is an amenable number.

3813538877 is a deficient number, since it is larger than the sum of its proper divisors (1).

3813538877 is an equidigital number, since it uses as much as digits as its factorization.

3813538877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 53.

The square root of 3813538877 is about 61753.8571831752. The cubic root of 3813538877 is about 1562.3418253280.

The spelling of 3813538877 in words is "three billion, eight hundred thirteen million, five hundred thirty-eight thousand, eight hundred seventy-seven".