261108873 has 8 divisors (see below), whose sum is σ = 386828000. Its totient is φ = 174072564.

The previous prime is 261108871. The next prime is 261108893. The reversal of 261108873 is 378801162.

It is not a de Polignac number, because 261108873 - 2¹ = 261108871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (261108871) 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, 4835323 + ... + 4835376.

It is an arithmetic number, because the mean of its divisors is an integer number (48353500).

Almost surely, 2^261108873 is an apocalyptic number.

It is an amenable number.

261108873 is a deficient number, since it is larger than the sum of its proper divisors (125719127).

261108873 is an equidigital number, since it uses as much as digits as its factorization.

261108873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9670708 (or 9670702 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 261108873 is about 16158.8636048455. The cubic root of 261108873 is about 639.1565002734.

The spelling of 261108873 in words is "two hundred sixty-one million, one hundred eight thousand, eight hundred seventy-three".