78585841 has 8 divisors (see below), whose sum is σ = 80093664. Its totient is φ = 77088000.

The previous prime is 78585827. The next prime is 78585847. The reversal of 78585841 is 14858587.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78585841 - 2¹¹ = 78583793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78585791 and 78585800.

It is not an unprimeable number, because it can be changed into a prime (78585847) 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 7 ways as a sum of consecutive naturals, for example, 14481 + ... + 19153.

It is an arithmetic number, because the mean of its divisors is an integer number (10011708).

Almost surely, 2^78585841 is an apocalyptic number.

It is an amenable number.

78585841 is a deficient number, since it is larger than the sum of its proper divisors (1507823).

78585841 is a wasteful number, since it uses less digits than its factorization.

78585841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4991.

The product of its digits is 358400, while the sum is 46.

The square root of 78585841 is about 8864.8655376153. The cubic root of 78585841 is about 428.3329014650.

The spelling of 78585841 in words is "seventy-eight million, five hundred eighty-five thousand, eight hundred forty-one".