260051240677 has 4 divisors (see below), whose sum is σ = 260418027340. Its totient is φ = 259684454016.

The previous prime is 260051240671. The next prime is 260051240711. The reversal of 260051240677 is 776042150062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 776042150062 = 2 ⋅388021075031.

It can be written as a sum of positive squares in 2 ways, for example, as 15139087681 + 244912152996 = 123041^2 + 494886^2 .

It is a cyclic number.

It is not a de Polignac number, because 260051240677 - 2²⁷ = 259917022949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260051240671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183392268 + ... + 183393685.

It is an arithmetic number, because the mean of its divisors is an integer number (65104506835).

Almost surely, 2^260051240677 is an apocalyptic number.

It is an amenable number.

260051240677 is a deficient number, since it is larger than the sum of its proper divisors (366786663).

260051240677 is an equidigital number, since it uses as much as digits as its factorization.

260051240677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366786662.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 260051240677 in words is "two hundred sixty billion, fifty-one million, two hundred forty thousand, six hundred seventy-seven".