260464895781 has 8 divisors (see below), whose sum is σ = 347386884384. Its totient is φ = 173593085520.

The previous prime is 260464895773. The next prime is 260464895819. The reversal of 260464895781 is 187598464062.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 260464895781 - 2³ = 260464895773 is a prime.

It is a super-2 number, since 2×260464895781² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260464895381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12532471 + ... + 12553236.

It is an arithmetic number, because the mean of its divisors is an integer number (43423360548).

Almost surely, 2^260464895781 is an apocalyptic number.

It is an amenable number.

260464895781 is a deficient number, since it is larger than the sum of its proper divisors (86921988603).

260464895781 is a wasteful number, since it uses less digits than its factorization.

260464895781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25089171.

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 260464895781 in words is "two hundred sixty billion, four hundred sixty-four million, eight hundred ninety-five thousand, seven hundred eighty-one".