2878563241 has 4 divisors (see below), whose sum is σ = 2878697412. Its totient is φ = 2878429072.

The previous prime is 2878563217. The next prime is 2878563271. The reversal of 2878563241 is 1423658782.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1720590400 + 1157972841 = 41480^2 + 34029^2 .

It is a cyclic number.

It is not a de Polignac number, because 2878563241 - 2⁵ = 2878563209 is a prime.

It is a super-2 number, since 2×2878563241² = 16572252664872848162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2878563191 and 2878563200.

It is not an unprimeable number, because it can be changed into a prime (2878563271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26866 + ... + 80491.

It is an arithmetic number, because the mean of its divisors is an integer number (719674353).

Almost surely, 2^2878563241 is an apocalyptic number.

It is an amenable number.

2878563241 is a deficient number, since it is larger than the sum of its proper divisors (134171).

2878563241 is a wasteful number, since it uses less digits than its factorization.

2878563241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134170.

The product of its digits is 645120, while the sum is 46.

The square root of 2878563241 is about 53652.2435784376. The cubic root of 2878563241 is about 1422.5206899201.

The spelling of 2878563241 in words is "two billion, eight hundred seventy-eight million, five hundred sixty-three thousand, two hundred forty-one".