78848785 has 8 divisors (see below), whose sum is σ = 94721256. Its totient is φ = 63010560.

The previous prime is 78848773. The next prime is 78848797. The reversal of 78848785 is 58784887.

It is an interprime number because it is at equal distance from previous prime (78848773) and next prime (78848797).

It can be written as a sum of positive squares in 4 ways, for example, as 20830096 + 58018689 = 4564^2 + 7617^2 .

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

It is not a de Polignac number, because 78848785 - 2⁵ = 78848753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3186 + ... + 12955.

It is an arithmetic number, because the mean of its divisors is an integer number (11840157).

Almost surely, 2^78848785 is an apocalyptic number.

It is an amenable number.

78848785 is a deficient number, since it is larger than the sum of its proper divisors (15872471).

78848785 is a wasteful number, since it uses less digits than its factorization.

78848785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17123.

The product of its digits is 4014080, while the sum is 55.

The square root of 78848785 is about 8879.6838344617. The cubic root of 78848785 is about 428.8100959262.

The spelling of 78848785 in words is "seventy-eight million, eight hundred forty-eight thousand, seven hundred eighty-five".