3577538723881 has 2 divisors, whose sum is σ = 3577538723882. Its totient is φ = 3577538723880.

The previous prime is 3577538723851. The next prime is 3577538723909. The reversal of 3577538723881 is 1883278357753.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2725748168256 + 851790555625 = 1650984^2 + 922925^2 .

It is a cyclic number.

It is not a de Polignac number, because 3577538723881 - 2²⁹ = 3577001852969 is a prime.

It is a super-2 number, since 2×3577538723881² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3577538723851) 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 as a sum of consecutive naturals, namely, 1788769361940 + 1788769361941.

It is an arithmetic number, because the mean of its divisors is an integer number (1788769361941).

Almost surely, 2^{3577538723881} is an apocalyptic number.

It is an amenable number.

3577538723881 is a deficient number, since it is larger than the sum of its proper divisors (1).

3577538723881 is an equidigital number, since it uses as much as digits as its factorization.

3577538723881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 237081600, while the sum is 67.

It can be divided in two parts, 357753872 and 3881, that added together give a palindrome (357757753).

The spelling of 3577538723881 in words is "three trillion, five hundred seventy-seven billion, five hundred thirty-eight million, seven hundred twenty-three thousand, eight hundred eighty-one".