275085378 has 12 divisors (see below), whose sum is σ = 596018358. Its totient is φ = 91695120.

The previous prime is 275085373. The next prime is 275085379. The reversal of 275085378 is 873580572.

275085378 is a `hidden beast` number, since 27 + 508 + 53 + 78 = 666.

It can be written as a sum of positive squares in only one way, i.e., 272151009 + 2934369 = 16497^2 + 1713^2 .

It is not an unprimeable number, because it can be changed into a prime (275085373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7641243 + ... + 7641278.

Almost surely, 2^275085378 is an apocalyptic number.

275085378 is an abundant number, since it is smaller than the sum of its proper divisors (320932980).

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

275085378 is a wasteful number, since it uses less digits than its factorization.

275085378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15282529 (or 15282526 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 275085378 is about 16585.6979955623. The cubic root of 275085378 is about 650.3630145814.

The spelling of 275085378 in words is "two hundred seventy-five million, eighty-five thousand, three hundred seventy-eight".