28287353085 has 16 divisors (see below), whose sum is σ = 45357529344. Its totient is φ = 15054000192.

The previous prime is 28287353077. The next prime is 28287353093. The reversal of 28287353085 is 58035378282.

It is an interprime number because it is at equal distance from previous prime (28287353077) and next prime (28287353093).

It is not a de Polignac number, because 28287353085 - 2³ = 28287353077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2029582 + ... + 2043471.

It is an arithmetic number, because the mean of its divisors is an integer number (2834845584).

Almost surely, 2^28287353085 is an apocalyptic number.

It is an amenable number.

28287353085 is a deficient number, since it is larger than the sum of its proper divisors (17070176259).

28287353085 is a wasteful number, since it uses less digits than its factorization.

28287353085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073524.

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 28287353085 in words is "twenty-eight billion, two hundred eighty-seven million, three hundred fifty-three thousand, eighty-five".