275027780 has 12 divisors (see below), whose sum is σ = 577558380. Its totient is φ = 110011104.

The previous prime is 275027777. The next prime is 275027783. The reversal of 275027780 is 87720572.

It is an interprime number because it is at equal distance from previous prime (275027777) and next prime (275027783).

It can be written as a sum of positive squares in 2 ways, for example, as 147428164 + 127599616 = 12142^2 + 11296^2 .

It is not an unprimeable number, because it can be changed into a prime (275027783) 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 3 ways as a sum of consecutive naturals, for example, 6875675 + ... + 6875714.

It is an arithmetic number, because the mean of its divisors is an integer number (48129865).

Almost surely, 2^275027780 is an apocalyptic number.

275027780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275027780 is an abundant number, since it is smaller than the sum of its proper divisors (302530600).

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

275027780 is a wasteful number, since it uses less digits than its factorization.

275027780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13751398 (or 13751396 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 38.

The square root of 275027780 is about 16583.9615291401. The cubic root of 275027780 is about 650.3176199189.

The spelling of 275027780 in words is "two hundred seventy-five million, twenty-seven thousand, seven hundred eighty".