28057572718 has 64 divisors (see below), whose sum is σ = 53347092480. Its totient is φ = 10783567872.

The previous prime is 28057572689. The next prime is 28057572727. The reversal of 28057572718 is 81727575082.

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 31 ways as a sum of consecutive naturals, for example, 1429918 + ... + 1449406.

It is an arithmetic number, because the mean of its divisors is an integer number (833548320).

Almost surely, 2^28057572718 is an apocalyptic number.

28057572718 is a deficient number, since it is larger than the sum of its proper divisors (25289519762).

28057572718 is a wasteful number, since it uses less digits than its factorization.

28057572718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19801.

The product of its (nonzero) digits is 2195200, while the sum is 52.

The spelling of 28057572718 in words is "twenty-eight billion, fifty-seven million, five hundred seventy-two thousand, seven hundred eighteen".