104777289 has 12 divisors (see below), whose sum is σ = 152760816. Its totient is φ = 69198072.

The previous prime is 104777269. The next prime is 104777311. The reversal of 104777289 is 982777401.

It is a happy number.

It is not a de Polignac number, because 104777289 - 2⁷ = 104777161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104777209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53439 + ... + 55364.

It is an arithmetic number, because the mean of its divisors is an integer number (12730068).

Almost surely, 2^104777289 is an apocalyptic number.

It is an amenable number.

104777289 is a deficient number, since it is larger than the sum of its proper divisors (47983527).

104777289 is a wasteful number, since it uses less digits than its factorization.

104777289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108916 (or 108913 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 45.

The square root of 104777289 is about 10236.0778133033. The cubic root of 104777289 is about 471.4356119767.

It can be divided in two parts, 10477 and 7289, that added together give a triangular number (17766 = T₁₈₈).

The spelling of 104777289 in words is "one hundred four million, seven hundred seventy-seven thousand, two hundred eighty-nine".