260878497793 has 4 divisors (see below), whose sum is σ = 260882347588. Its totient is φ = 260874648000.

The previous prime is 260878497721. The next prime is 260878497799. The reversal of 260878497793 is 397794878062.

260878497793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49933030849 + 210945466944 = 223457^2 + 459288^2 .

It is a cyclic number.

It is not a de Polignac number, because 260878497793 - 2¹³ = 260878489601 is a prime.

It is a super-2 number, since 2×260878497793² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260878497799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1821396 + ... + 1959397.

It is an arithmetic number, because the mean of its divisors is an integer number (65220586897).

Almost surely, 2^260878497793 is an apocalyptic number.

It is an amenable number.

260878497793 is a deficient number, since it is larger than the sum of its proper divisors (3849795).

260878497793 is an equidigital number, since it uses as much as digits as its factorization.

260878497793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849794.

The product of its (nonzero) digits is 256048128, while the sum is 70.

The spelling of 260878497793 in words is "two hundred sixty billion, eight hundred seventy-eight million, four hundred ninety-seven thousand, seven hundred ninety-three".