28572871430 has 32 divisors (see below), whose sum is σ = 53278000128. Its totient is φ = 11021349600.

The previous prime is 28572871427. The next prime is 28572871471. The reversal of 28572871430 is 3417827582.

28572871430 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 75116 + ... + 250575.

It is an arithmetic number, because the mean of its divisors is an integer number (1664937504).

Almost surely, 2^28572871430 is an apocalyptic number.

28572871430 is a deficient number, since it is larger than the sum of its proper divisors (24705128698).

28572871430 is a wasteful number, since it uses less digits than its factorization.

28572871430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326012.

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

The spelling of 28572871430 in words is "twenty-eight billion, five hundred seventy-two million, eight hundred seventy-one thousand, four hundred thirty".