78547248 has 60 divisors (see below), whose sum is σ = 236738320. Its totient is φ = 24167808.

The previous prime is 78547247. The next prime is 78547279. The reversal of 78547248 is 84274587.

It is not an unprimeable number, because it can be changed into a prime (78547241) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 19108 + ... + 22851.

Almost surely, 2^78547248 is an apocalyptic number.

78547248 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

78547248 is an abundant number, since it is smaller than the sum of its proper divisors (158191072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78547248 is a wasteful number, since it uses less digits than its factorization.

78547248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41986 (or 41977 counting only the distinct ones).

The product of its digits is 501760, while the sum is 45.

The square root of 78547248 is about 8862.6885311400. The cubic root of 78547248 is about 428.2627728081.

The spelling of 78547248 in words is "seventy-eight million, five hundred forty-seven thousand, two hundred forty-eight".