28554225385 has 8 divisors (see below), whose sum is σ = 39160080576. Its totient is φ = 19580040240.

The previous prime is 28554225347. The next prime is 28554225391. The reversal of 28554225385 is 58352245582.

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

It is not a de Polignac number, because 28554225385 - 2¹¹ = 28554223337 is a prime.

It is a Duffinian 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, 407917471 + ... + 407917540.

It is an arithmetic number, because the mean of its divisors is an integer number (4895010072).

Almost surely, 2^28554225385 is an apocalyptic number.

It is an amenable number.

28554225385 is a deficient number, since it is larger than the sum of its proper divisors (10605855191).

28554225385 is an equidigital number, since it uses as much as digits as its factorization.

28554225385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815835023.

The product of its digits is 3840000, while the sum is 49.

The spelling of 28554225385 in words is "twenty-eight billion, five hundred fifty-four million, two hundred twenty-five thousand, three hundred eighty-five".