2878845736 has 32 divisors (see below), whose sum is σ = 5816772360. Its totient is φ = 1327848192.

The previous prime is 2878845727. The next prime is 2878845751. The reversal of 2878845736 is 6375488782.

It can be written as a sum of positive squares in 4 ways, for example, as 2247328836 + 631516900 = 47406^2 + 25130^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 172246 + ... + 188218.

Almost surely, 2^2878845736 is an apocalyptic number.

2878845736 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2878845736 is an abundant number, since it is smaller than the sum of its proper divisors (2937926624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2878845736 is a wasteful number, since it uses less digits than its factorization.

2878845736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17725 (or 17721 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 58.

The square root of 2878845736 is about 53654.8761623769. The cubic root of 2878845736 is about 1422.5672226060.

The spelling of 2878845736 in words is "two billion, eight hundred seventy-eight million, eight hundred forty-five thousand, seven hundred thirty-six".