2871197428 has 12 divisors (see below), whose sum is σ = 5481376992. Its totient is φ = 1305089720.

The previous prime is 2871197393. The next prime is 2871197467. The reversal of 2871197428 is 8247911782.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32627200 + ... + 32627287.

It is an arithmetic number, because the mean of its divisors is an integer number (456781416).

Almost surely, 2^2871197428 is an apocalyptic number.

It is an amenable number.

2871197428 is a deficient number, since it is larger than the sum of its proper divisors (2610179564).

2871197428 is a wasteful number, since it uses less digits than its factorization.

2871197428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65254502 (or 65254500 counting only the distinct ones).

The product of its digits is 451584, while the sum is 49.

The square root of 2871197428 is about 53583.5555744484. Note that the first 4 decimals coincide. The cubic root of 2871197428 is about 1421.3063142670.

The spelling of 2871197428 in words is "two billion, eight hundred seventy-one million, one hundred ninety-seven thousand, four hundred twenty-eight".