28487270484244 has 36 divisors (see below), whose sum is σ = 58890037923360. Its totient is φ = 11952700899360.

The previous prime is 28487270484229. The next prime is 28487270484263. The reversal of 28487270484244 is 44248407278482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1915489504 + ... + 1915504375.

It is an arithmetic number, because the mean of its divisors is an integer number (1635834386760).

Almost surely, 2^{28487270484244} is an apocalyptic number.

It is an amenable number.

28487270484244 is an abundant number, since it is smaller than the sum of its proper divisors (30402767439116).

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

28487270484244 is a wasteful number, since it uses less digits than its factorization.

28487270484244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830993920 (or 3830993905 counting only the distinct ones).

The product of its (nonzero) digits is 205520896, while the sum is 64.

The spelling of 28487270484244 in words is "twenty-eight trillion, four hundred eighty-seven billion, two hundred seventy million, four hundred eighty-four thousand, two hundred forty-four".