28753428418 has 16 divisors (see below), whose sum is σ = 50670377856. Its totient is φ = 12064375440.

The previous prime is 28753428391. The next prime is 28753428461. The reversal of 28753428418 is 81482435782.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50267946 + ... + 50268517.

It is an arithmetic number, because the mean of its divisors is an integer number (3166898616).

Almost surely, 2^28753428418 is an apocalyptic number.

28753428418 is a deficient number, since it is larger than the sum of its proper divisors (21916949438).

28753428418 is a wasteful number, since it uses less digits than its factorization.

28753428418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100536489.

The product of its digits is 3440640, while the sum is 52.

The spelling of 28753428418 in words is "twenty-eight billion, seven hundred fifty-three million, four hundred twenty-eight thousand, four hundred eighteen".