3872770400729 has 16 divisors (see below), whose sum is σ = 4083334905600. Its totient is φ = 3662882031744.

The previous prime is 3872770400717. The next prime is 3872770400783. The reversal of 3872770400729 is 9270040772783.

3872770400729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3872770400729 - 2⁴ = 3872770400713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3872770460729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55387739 + ... + 55457615.

It is an arithmetic number, because the mean of its divisors is an integer number (255208431600).

Almost surely, 2^{3872770400729} is an apocalyptic number.

It is an amenable number.

3872770400729 is a deficient number, since it is larger than the sum of its proper divisors (210564504871).

3872770400729 is a wasteful number, since it uses less digits than its factorization.

3872770400729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74672.

The product of its (nonzero) digits is 8297856, while the sum is 56.

The spelling of 3872770400729 in words is "three trillion, eight hundred seventy-two billion, seven hundred seventy million, four hundred thousand, seven hundred twenty-nine".