2857870460 has 12 divisors (see below), whose sum is σ = 6001528008. Its totient is φ = 1143148176.

The previous prime is 2857870403. The next prime is 2857870481. The reversal of 2857870460 is 640787582.

It is a super-3 number, since 3×2857870460³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 71446742 + ... + 71446781.

It is an arithmetic number, because the mean of its divisors is an integer number (500127334).

Almost surely, 2^2857870460 is an apocalyptic number.

2857870460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2857870460 is an abundant number, since it is smaller than the sum of its proper divisors (3143657548).

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

2857870460 is a wasteful number, since it uses less digits than its factorization.

2857870460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142893532 (or 142893530 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 47.

The square root of 2857870460 is about 53459.0540507406. The cubic root of 2857870460 is about 1419.1038549918.

The spelling of 2857870460 in words is "two billion, eight hundred fifty-seven million, eight hundred seventy thousand, four hundred sixty".