260745977 has 8 divisors (see below), whose sum is σ = 266424000. Its totient is φ = 255120624.

The previous prime is 260745973. The next prime is 260745997. The reversal of 260745977 is 779547062.

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 260745977 - 2² = 260745973 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260745971) 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 7 ways as a sum of consecutive naturals, for example, 3077 + ... + 23042.

It is an arithmetic number, because the mean of its divisors is an integer number (33303000).

Almost surely, 2^260745977 is an apocalyptic number.

It is an amenable number.

260745977 is a deficient number, since it is larger than the sum of its proper divisors (5678023).

260745977 is a wasteful number, since it uses less digits than its factorization.

260745977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26335.

The product of its (nonzero) digits is 740880, while the sum is 47.

The square root of 260745977 is about 16147.6306930769. The cubic root of 260745977 is about 638.8602574670.

It can be divided in two parts, 2607 and 45977, that added together give a palindrome (48584).

The spelling of 260745977 in words is "two hundred sixty million, seven hundred forty-five thousand, nine hundred seventy-seven".