78746255 has 16 divisors (see below), whose sum is σ = 108516864. Its totient is φ = 53736480.

The previous prime is 78746233. The next prime is 78746263. The reversal of 78746255 is 55264787.

It is not a de Polignac number, because 78746255 - 2⁶ = 78746191 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

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, 2054 + ... + 12716.

It is an arithmetic number, because the mean of its divisors is an integer number (6782304).

Almost surely, 2^78746255 is an apocalyptic number.

78746255 is a deficient number, since it is larger than the sum of its proper divisors (29770609).

78746255 is a wasteful number, since it uses less digits than its factorization.

78746255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10886.

The product of its digits is 470400, while the sum is 44.

The square root of 78746255 is about 8873.9086652951. The cubic root of 78746255 is about 428.6241494137.

The spelling of 78746255 in words is "seventy-eight million, seven hundred forty-six thousand, two hundred fifty-five".