873545545378 has 16 divisors (see below), whose sum is σ = 1431106151904. Its totient is φ = 396602827360.

The previous prime is 873545545373. The next prime is 873545545393.

It is a happy number.

873545545378 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (873545545373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23147200 + ... + 23184907.

It is an arithmetic number, because the mean of its divisors is an integer number (89444134494).

Almost surely, 2^873545545378 is an apocalyptic number.

873545545378 is a deficient number, since it is larger than the sum of its proper divisors (557560606526).

873545545378 is a wasteful number, since it uses less digits than its factorization.

873545545378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46332977.

The product of its digits is 282240000, while the sum is 64.

The spelling of 873545545378 in words is "eight hundred seventy-three billion, five hundred forty-five million, five hundred forty-five thousand, three hundred seventy-eight".