2871247550 has 24 divisors (see below), whose sum is σ = 5572719216. Its totient is φ = 1098563840.

The previous prime is 2871247549. The next prime is 2871247553. The reversal of 2871247550 is 557421782.

It is a junction number, because it is equal to n+sod(n) for n = 2871247498 and 2871247507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2871247553) 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 11 ways as a sum of consecutive naturals, for example, 1247219 + ... + 1249518.

It is an arithmetic number, because the mean of its divisors is an integer number (232196634).

Almost surely, 2^2871247550 is an apocalyptic number.

2871247550 is a deficient number, since it is larger than the sum of its proper divisors (2701471666).

2871247550 is a wasteful number, since it uses less digits than its factorization.

2871247550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496772 (or 2496767 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 41.

The square root of 2871247550 is about 53584.0232718671. The cubic root of 2871247550 is about 1421.3145847189.

The spelling of 2871247550 in words is "two billion, eight hundred seventy-one million, two hundred forty-seven thousand, five hundred fifty".