78875448 has 64 divisors (see below), whose sum is σ = 204508800. Its totient is φ = 25334400.

The previous prime is 78875437. The next prime is 78875483. The reversal of 78875448 is 84457887.

It is a self number, because there is not a number n which added to its sum of digits gives 78875448.

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, 74523 + ... + 75573.

It is an arithmetic number, because the mean of its divisors is an integer number (3195450).

Almost surely, 2^78875448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78875448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102254400).

78875448 is an abundant number, since it is smaller than the sum of its proper divisors (125633352).

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

78875448 is a wasteful number, since it uses less digits than its factorization.

78875448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172 (or 1168 counting only the distinct ones).

The product of its digits is 2007040, while the sum is 51.

The square root of 78875448 is about 8881.1850560609. The cubic root of 78875448 is about 428.8584250373.

The spelling of 78875448 in words is "seventy-eight million, eight hundred seventy-five thousand, four hundred forty-eight".