28417539372 has 12 divisors (see below), whose sum is σ = 66307591896. Its totient is φ = 9472513120.

The previous prime is 28417539349. The next prime is 28417539383. The reversal of 28417539372 is 27393571482.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1184064129 + ... + 1184064152.

It is an arithmetic number, because the mean of its divisors is an integer number (5525632658).

Almost surely, 2^28417539372 is an apocalyptic number.

It is an amenable number.

28417539372 is an abundant number, since it is smaller than the sum of its proper divisors (37890052524).

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

28417539372 is a wasteful number, since it uses less digits than its factorization.

28417539372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368128288 (or 2368128286 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 51.

The spelling of 28417539372 in words is "twenty-eight billion, four hundred seventeen million, five hundred thirty-nine thousand, three hundred seventy-two".