45778689 has 40 divisors (see below), whose sum is σ = 75271680. Its totient is φ = 27496800.

The previous prime is 45778651. The next prime is 45778699. The reversal of 45778689 is 98687754.

45778689 is a `hidden beast` number, since 4 + 577 + 8 + 68 + 9 = 666.

It is not a de Polignac number, because 45778689 - 2⁹ = 45778177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45778699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 170047 + ... + 170315.

It is an arithmetic number, because the mean of its divisors is an integer number (1881792).

Almost surely, 2^45778689 is an apocalyptic number.

It is an amenable number.

45778689 is a deficient number, since it is larger than the sum of its proper divisors (29492991).

45778689 is a wasteful number, since it uses less digits than its factorization.

45778689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 474 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 45778689 is about 6765.9950487715. The cubic root of 45778689 is about 357.7292486942.

The spelling of 45778689 in words is "forty-five million, seven hundred seventy-eight thousand, six hundred eighty-nine".