28417873332 has 12 divisors (see below), whose sum is σ = 66308371136. Its totient is φ = 9472624440.

The previous prime is 28417873291. The next prime is 28417873333. The reversal of 28417873332 is 23337871482.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28417873333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1184078044 + ... + 1184078067.

Almost surely, 2^28417873332 is an apocalyptic number.

It is an amenable number.

28417873332 is an abundant number, since it is smaller than the sum of its proper divisors (37890497804).

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

28417873332 is a wasteful number, since it uses less digits than its factorization.

28417873332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368156118 (or 2368156116 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 48.

The spelling of 28417873332 in words is "twenty-eight billion, four hundred seventeen million, eight hundred seventy-three thousand, three hundred thirty-two".