28868433198726 has 64 divisors (see below), whose sum is σ = 63382304044800. Its totient is φ = 8692974311040.

The previous prime is 28868433198701. The next prime is 28868433198727. The reversal of 28868433198726 is 62789133486882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28868433198727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21605061 + ... + 22902303.

It is an arithmetic number, because the mean of its divisors is an integer number (990348500700).

Almost surely, 2^{28868433198726} is an apocalyptic number.

28868433198726 is an abundant number, since it is smaller than the sum of its proper divisors (34513870846074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28868433198726 is a wasteful number, since it uses less digits than its factorization.

28868433198726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299381.

The product of its digits is 1337720832, while the sum is 75.

The spelling of 28868433198726 in words is "twenty-eight trillion, eight hundred sixty-eight billion, four hundred thirty-three million, one hundred ninety-eight thousand, seven hundred twenty-six".