78495648 has 288 divisors, whose sum is σ = 275099328. Its totient is φ = 19353600.

The previous prime is 78495629. The next prime is 78495661. The reversal of 78495648 is 84659487.

It is a self number, because there is not a number n which added to its sum of digits gives 78495648.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1914508 + ... + 1914548.

It is an arithmetic number, because the mean of its divisors is an integer number (955206).

Almost surely, 2^78495648 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 78495648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137549664).

78495648 is an abundant number, since it is smaller than the sum of its proper divisors (196603680).

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

78495648 is a wasteful number, since it uses less digits than its factorization.

78495648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 101 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 78495648 is about 8859.7769723622. The cubic root of 78495648 is about 428.1689727899.

The spelling of 78495648 in words is "seventy-eight million, four hundred ninety-five thousand, six hundred forty-eight".