28871420210 has 8 divisors (see below), whose sum is σ = 51968556396. Its totient is φ = 11548568080.

The previous prime is 28871420143. The next prime is 28871420273. The reversal of 28871420210 is 1202417882.

28871420210 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 28787569561 + 83850649 = 169669^2 + 9157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1443571001 + ... + 1443571020.

Almost surely, 2^28871420210 is an apocalyptic number.

28871420210 is a deficient number, since it is larger than the sum of its proper divisors (23097136186).

28871420210 is a wasteful number, since it uses less digits than its factorization.

28871420210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887142028.

The product of its (nonzero) digits is 14336, while the sum is 35.

The spelling of 28871420210 in words is "twenty-eight billion, eight hundred seventy-one million, four hundred twenty thousand, two hundred ten".