28850203405 has 8 divisors (see below), whose sum is σ = 35356845312. Its totient is φ = 22589095248.

The previous prime is 28850203397. The next prime is 28850203423. The reversal of 28850203405 is 50430205882.

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 28850203405 - 2³ = 28850203397 is a prime.

It is a Duffinian number.

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, 61383177 + ... + 61383646.

It is an arithmetic number, because the mean of its divisors is an integer number (4419605664).

Almost surely, 2^28850203405 is an apocalyptic number.

It is an amenable number.

28850203405 is a deficient number, since it is larger than the sum of its proper divisors (6506641907).

28850203405 is a wasteful number, since it uses less digits than its factorization.

28850203405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122766875.

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 28850203405 in words is "twenty-eight billion, eight hundred fifty million, two hundred three thousand, four hundred five".