275287855 has 8 divisors (see below), whose sum is σ = 330447600. Its totient is φ = 220162176.

The previous prime is 275287847. The next prime is 275287871. The reversal of 275287855 is 558782572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 275287855 - 2³ = 275287847 is a prime.

It is a super-2 number, since 2×275287855² = 151566806221002050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 275287799 and 275287808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15351 + ... + 28039.

It is an arithmetic number, because the mean of its divisors is an integer number (41305950).

Almost surely, 2^275287855 is an apocalyptic number.

275287855 is a deficient number, since it is larger than the sum of its proper divisors (55159745).

275287855 is a wasteful number, since it uses less digits than its factorization.

275287855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17033.

The product of its digits is 1568000, while the sum is 49.

The square root of 275287855 is about 16591.8008365578. The cubic root of 275287855 is about 650.5225423344.

The spelling of 275287855 in words is "two hundred seventy-five million, two hundred eighty-seven thousand, eight hundred fifty-five".