282878540481 has 4 divisors (see below), whose sum is σ = 377171387312. Its totient is φ = 188585693652.

The previous prime is 282878540453. The next prime is 282878540519. The reversal of 282878540481 is 184045878282.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 282878540481 - 2⁹ = 282878539969 is a prime.

It is a super-2 number, since 2×282878540481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (282878540881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47146423411 + ... + 47146423416.

It is an arithmetic number, because the mean of its divisors is an integer number (94292846828).

Almost surely, 2^282878540481 is an apocalyptic number.

It is an amenable number.

282878540481 is a deficient number, since it is larger than the sum of its proper divisors (94292846831).

282878540481 is an equidigital number, since it uses as much as digits as its factorization.

282878540481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94292846830.

The product of its (nonzero) digits is 9175040, while the sum is 57.

The spelling of 282878540481 in words is "two hundred eighty-two billion, eight hundred seventy-eight million, five hundred forty thousand, four hundred eighty-one".