78853 has 2 divisors, whose sum is σ = 78854. Its totient is φ = 78852.

The previous prime is 78839. The next prime is 78857. The reversal of 78853 is 35887.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47524 + 31329 = 218^2 + 177^2 .

It is a cyclic number.

It is not a de Polignac number, because 78853 - 2⁹ = 78341 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39426 + 39427.

It is an arithmetic number, because the mean of its divisors is an integer number (39427).

2⁷⁸⁸⁵³ is an apocalyptic number.

It is an amenable number.

78853 is a deficient number, since it is larger than the sum of its proper divisors (1).

78853 is an equidigital number, since it uses as much as digits as its factorization.

78853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 78853 is about 280.8077634254. The cubic root of 78853 is about 42.8817736722.

It can be divided in two parts, 788 and 53, that added together give a square (841 = 29²).

The spelling of 78853 in words is "seventy-eight thousand, eight hundred fifty-three".