78504268 has 12 divisors (see below), whose sum is σ = 137672640. Its totient is φ = 39169232.

The previous prime is 78504253. The next prime is 78504271. The reversal of 78504268 is 86240587.

It is a self number, because there is not a number n which added to its sum of digits gives 78504268.

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 3 ways as a sum of consecutive naturals, for example, 18571 + ... + 22402.

It is an arithmetic number, because the mean of its divisors is an integer number (11472720).

Almost surely, 2^78504268 is an apocalyptic number.

It is an amenable number.

78504268 is a deficient number, since it is larger than the sum of its proper divisors (59168372).

78504268 is a wasteful number, since it uses less digits than its factorization.

78504268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41456 (or 41454 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 78504268 is about 8860.2634272351. The cubic root of 78504268 is about 428.1846453423.

The spelling of 78504268 in words is "seventy-eight million, five hundred four thousand, two hundred sixty-eight".