28002725285 has 8 divisors (see below), whose sum is σ = 35064282240. Its totient is φ = 21428172304.

The previous prime is 28002725279. The next prime is 28002725389. The reversal of 28002725285 is 58252720082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28002725285 - 2¹⁰ = 28002724261 is a prime.

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, 121750865 + ... + 121751094.

It is an arithmetic number, because the mean of its divisors is an integer number (4383035280).

Almost surely, 2^28002725285 is an apocalyptic number.

It is an amenable number.

28002725285 is a deficient number, since it is larger than the sum of its proper divisors (7061556955).

28002725285 is a wasteful number, since it uses less digits than its factorization.

28002725285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243501987.

The product of its (nonzero) digits is 179200, while the sum is 41.

The spelling of 28002725285 in words is "twenty-eight billion, two million, seven hundred twenty-five thousand, two hundred eighty-five".