28505959595 has 8 divisors (see below), whose sum is σ = 34468275600. Its totient is φ = 22630684960.

The previous prime is 28505959579. The next prime is 28505959631. The reversal of 28505959595 is 59595950582.

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

It is not a de Polignac number, because 28505959595 - 2⁴ = 28505959579 is a prime.

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, 21759620 + ... + 21760929.

It is an arithmetic number, because the mean of its divisors is an integer number (4308534450).

Almost surely, 2^28505959595 is an apocalyptic number.

28505959595 is a deficient number, since it is larger than the sum of its proper divisors (5962316005).

28505959595 is a wasteful number, since it uses less digits than its factorization.

28505959595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43520685.

The product of its (nonzero) digits is 36450000, while the sum is 62.

The spelling of 28505959595 in words is "twenty-eight billion, five hundred five million, nine hundred fifty-nine thousand, five hundred ninety-five".