28338942108 has 24 divisors (see below), whose sum is σ = 66128168848. Its totient is φ = 9445746816.

The previous prime is 28338942097. The next prime is 28338942119. The reversal of 28338942108 is 80124983382.

It is an interprime number because it is at equal distance from previous prime (28338942097) and next prime (28338942119).

It is a congruent number.

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, 170010 + ... + 292542.

Almost surely, 2^28338942108 is an apocalyptic number.

It is an amenable number.

28338942108 is an abundant number, since it is smaller than the sum of its proper divisors (37789226740).

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

28338942108 is a wasteful number, since it uses less digits than its factorization.

28338942108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141813 (or 141811 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 28338942108 in words is "twenty-eight billion, three hundred thirty-eight million, nine hundred forty-two thousand, one hundred eight".