275320847 has 4 divisors (see below), whose sum is σ = 275365776. Its totient is φ = 275275920.

The previous prime is 275320841. The next prime is 275320853. The reversal of 275320847 is 748023572.

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

It is an interprime number because it is at equal distance from previous prime (275320841) and next prime (275320853).

It is a cyclic number.

It is not a de Polignac number, because 275320847 - 2¹⁶ = 275255311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 275320847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275320841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11483 + ... + 26124.

It is an arithmetic number, because the mean of its divisors is an integer number (68841444).

Almost surely, 2^275320847 is an apocalyptic number.

275320847 is a deficient number, since it is larger than the sum of its proper divisors (44929).

275320847 is an equidigital number, since it uses as much as digits as its factorization.

275320847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44928.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 275320847 is about 16592.7950327846. The cubic root of 275320847 is about 650.5485286877.

The spelling of 275320847 in words is "two hundred seventy-five million, three hundred twenty thousand, eight hundred forty-seven".