28658468429188 has 24 divisors (see below), whose sum is σ = 54816312754112. Its totient is φ = 13029567734304.

The previous prime is 28658468429153. The next prime is 28658468429203. The reversal of 28658468429188 is 88192486485682.

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, 4112865120 + ... + 4112872087.

Almost surely, 2^{28658468429188} is an apocalyptic number.

It is an amenable number.

28658468429188 is a deficient number, since it is larger than the sum of its proper divisors (26157844324924).

28658468429188 is a wasteful number, since it uses less digits than its factorization.

28658468429188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8225737291 (or 8225737289 counting only the distinct ones).

The product of its digits is 3397386240, while the sum is 79.

The spelling of 28658468429188 in words is "twenty-eight trillion, six hundred fifty-eight billion, four hundred sixty-eight million, four hundred twenty-nine thousand, one hundred eighty-eight".