78410255 has 16 divisors (see below), whose sum is σ = 117310464. Its totient is φ = 48878880.

The previous prime is 78410237. The next prime is 78410257. The reversal of 78410255 is 55201487.

It is not a de Polignac number, because 78410255 - 2¹⁸ = 78148111 is a prime.

It is a super-2 number, since 2×78410255² = 12296336178330050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78410257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101447 + ... + 102216.

It is an arithmetic number, because the mean of its divisors is an integer number (7331904).

Almost surely, 2^78410255 is an apocalyptic number.

78410255 is a deficient number, since it is larger than the sum of its proper divisors (38900209).

78410255 is a wasteful number, since it uses less digits than its factorization.

78410255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203686.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 78410255 is about 8854.9565216324. The cubic root of 78410255 is about 428.0136525036.

The spelling of 78410255 in words is "seventy-eight million, four hundred ten thousand, two hundred fifty-five".