285276472105 has 4 divisors (see below), whose sum is σ = 342331766532. Its totient is φ = 228221177680.

The previous prime is 285276472081. The next prime is 285276472111. The reversal of 285276472105 is 501274672582.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 117723785881 + 167552686224 = 343109^2 + 409332^2 .

It is not a de Polignac number, because 285276472105 - 2⁵ = 285276472073 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28527647206 + ... + 28527647215.

It is an arithmetic number, because the mean of its divisors is an integer number (85582941633).

Almost surely, 2^285276472105 is an apocalyptic number.

It is an amenable number.

285276472105 is a deficient number, since it is larger than the sum of its proper divisors (57055294427).

285276472105 is an equidigital number, since it uses as much as digits as its factorization.

285276472105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57055294426.

The product of its (nonzero) digits is 1881600, while the sum is 49.

The spelling of 285276472105 in words is "two hundred eighty-five billion, two hundred seventy-six million, four hundred seventy-two thousand, one hundred five".