104968809 has 24 divisors (see below), whose sum is σ = 165734400. Its totient is φ = 63491040.

The previous prime is 104968807. The next prime is 104968879. The reversal of 104968809 is 908869401.

It is not a de Polignac number, because 104968809 - 2¹ = 104968807 is a prime.

It is a super-2 number, since 2×104968809² = 22036901725756962, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104968807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81432 + ... + 82710.

It is an arithmetic number, because the mean of its divisors is an integer number (6905600).

Almost surely, 2^104968809 is an apocalyptic number.

It is an amenable number.

104968809 is a deficient number, since it is larger than the sum of its proper divisors (60765591).

104968809 is a wasteful number, since it uses less digits than its factorization.

104968809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125 (or 2122 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 104968809 is about 10245.4286879564. The cubic root of 104968809 is about 471.7226792488.

The spelling of 104968809 in words is "one hundred four million, nine hundred sixty-eight thousand, eight hundred nine".