104884000261 has 4 divisors (see below), whose sum is σ = 104884648000. Its totient is φ = 104883352524.

The previous prime is 104884000219. The next prime is 104884000313. The reversal of 104884000261 is 162000488401.

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.

It is a cyclic number.

It is not a de Polignac number, because 104884000261 - 2²⁵ = 104850445829 is a prime.

It is a super-2 number, since 2×104884000261² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104884000211) 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, 157930 + ... + 484468.

It is an arithmetic number, because the mean of its divisors is an integer number (26221162000).

Almost surely, 2^104884000261 is an apocalyptic number.

104884000261 is the 186980-th hex number.

It is an amenable number.

104884000261 is a deficient number, since it is larger than the sum of its proper divisors (647739).

104884000261 is an equidigital number, since it uses as much as digits as its factorization.

104884000261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647738.

The product of its (nonzero) digits is 12288, while the sum is 34.

Adding to 104884000261 its reverse (162000488401), we get a palindrome (266884488662).

The spelling of 104884000261 in words is "one hundred four billion, eight hundred eighty-four million, two hundred sixty-one", and thus it is an aban number.