3722878357853 has 2 divisors, whose sum is σ = 3722878357854. Its totient is φ = 3722878357852.

The previous prime is 3722878357831. The next prime is 3722878357951. The reversal of 3722878357853 is 3587538782273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2199327558169 + 1523550799684 = 1483013^2 + 1234322^2 .

It is a cyclic number.

It is not a de Polignac number, because 3722878357853 - 2³⁰ = 3721804616029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3722878357813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1861439178926 + 1861439178927.

It is an arithmetic number, because the mean of its divisors is an integer number (1861439178927).

Almost surely, 2^{3722878357853} is an apocalyptic number.

It is an amenable number.

3722878357853 is a deficient number, since it is larger than the sum of its proper divisors (1).

3722878357853 is an equidigital number, since it uses as much as digits as its factorization.

3722878357853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 474163200, while the sum is 68.

The spelling of 3722878357853 in words is "three trillion, seven hundred twenty-two billion, eight hundred seventy-eight million, three hundred fifty-seven thousand, eight hundred fifty-three".