3875505578273 has 18 divisors (see below), whose sum is σ = 4773501824166. Its totient is φ = 3126412445184.

The previous prime is 3875505578221. The next prime is 3875505578317. The reversal of 3875505578273 is 3728755055783.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 940256030224 + 2935249548049 = 969668^2 + 1713257^2 .

It is not a de Polignac number, because 3875505578273 - 2⁶ = 3875505578209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3875505578873) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 56783993 + ... + 56852201.

It is an arithmetic number, because the mean of its divisors is an integer number (265194545787).

Almost surely, 2^{3875505578273} is an apocalyptic number.

It is an amenable number.

3875505578273 is a deficient number, since it is larger than the sum of its proper divisors (897996245893).

3875505578273 is an frugal number, since it uses more digits than its factorization.

3875505578273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136449 (or 68233 counting only the distinct ones).

The product of its (nonzero) digits is 246960000, while the sum is 65.

The spelling of 3875505578273 in words is "three trillion, eight hundred seventy-five billion, five hundred five million, five hundred seventy-eight thousand, two hundred seventy-three".