260977 has 4 divisors (see below), whose sum is σ = 262000. Its totient is φ = 259956.

The previous prime is 260969. The next prime is 260983. The reversal of 260977 is 779062.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 779062 = 2 ⋅389531.

It is a cyclic number.

It is not a de Polignac number, because 260977 - 2³ = 260969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238 + ... + 760.

It is an arithmetic number, because the mean of its divisors is an integer number (65500).

2²⁶⁰⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

260977 is a deficient number, since it is larger than the sum of its proper divisors (1023).

260977 is an equidigital number, since it uses as much as digits as its factorization.

260977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 260977 is about 510.8590803734. The cubic root of 260977 is about 63.9048880186.

The spelling of 260977 in words is "two hundred sixty thousand, nine hundred seventy-seven".