275977 has 12 divisors (see below), whose sum is σ = 316224. Its totient is φ = 240240.

The previous prime is 275969. The next prime is 275981. The reversal of 275977 is 779572.

It is not a de Polignac number, because 275977 - 2³ = 275969 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3852 + ... + 3922.

It is an arithmetic number, because the mean of its divisors is an integer number (26352).

2²⁷⁵⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

275977 is a deficient number, since it is larger than the sum of its proper divisors (40247).

275977 is a wasteful number, since it uses less digits than its factorization.

275977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 107 counting only the distinct ones).

The product of its digits is 30870, while the sum is 37.

The square root of 275977 is about 525.3351311306. The cubic root of 275977 is about 65.1064921011.

The spelling of 275977 in words is "two hundred seventy-five thousand, nine hundred seventy-seven".