273878845 has 8 divisors (see below), whose sum is σ = 333157176. Its totient is φ = 216101376.

The previous prime is 273878819. The next prime is 273878849. The reversal of 273878845 is 548878372.

It can be written as a sum of positive squares in 4 ways, for example, as 241081 + 273637764 = 491^2 + 16542^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 273878845 - 2⁹ = 273878333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 273878792 and 273878801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273878849) 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, 374812 + ... + 375541.

It is an arithmetic number, because the mean of its divisors is an integer number (41644647).

Almost surely, 2^273878845 is an apocalyptic number.

It is an amenable number.

273878845 is a deficient number, since it is larger than the sum of its proper divisors (59278331).

273878845 is an equidigital number, since it uses as much as digits as its factorization.

273878845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750431.

The product of its digits is 3010560, while the sum is 52.

The square root of 273878845 is about 16549.2853320015. The cubic root of 273878845 is about 649.4107835988.

The spelling of 273878845 in words is "two hundred seventy-three million, eight hundred seventy-eight thousand, eight hundred forty-five".