275086842 has 16 divisors (see below), whose sum is σ = 553249440. Its totient is φ = 91182992.

The previous prime is 275086829. The next prime is 275086853. The reversal of 275086842 is 248680572.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 275086794 and 275086803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126993 + ... + 129140.

It is an arithmetic number, because the mean of its divisors is an integer number (34578090).

Almost surely, 2^275086842 is an apocalyptic number.

275086842 is an abundant number, since it is smaller than the sum of its proper divisors (278162598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

275086842 is a wasteful number, since it uses less digits than its factorization.

275086842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256317.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 275086842 is about 16585.7421299139. The cubic root of 275086842 is about 650.3641683199.

The spelling of 275086842 in words is "two hundred seventy-five million, eighty-six thousand, eight hundred forty-two".