78752448 has 84 divisors (see below), whose sum is σ = 230611680. Its totient is φ = 25683456.

The previous prime is 78752423. The next prime is 78752489. The reversal of 78752448 is 84425787.

78752448 is a `hidden beast` number, since 7 + 87 + 524 + 48 = 666.

It is an unprimeable number.

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, 25618 + ... + 28526.

Almost surely, 2^78752448 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 78752448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115305840).

78752448 is an abundant number, since it is smaller than the sum of its proper divisors (151859232).

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

78752448 is a wasteful number, since it uses less digits than its factorization.

78752448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2974 (or 2961 counting only the distinct ones).

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

The square root of 78752448 is about 8874.2576027519. The cubic root of 78752448 is about 428.6353855027.

It can be divided in two parts, 787 and 52448, that added together give a palindrome (53235).

The spelling of 78752448 in words is "seventy-eight million, seven hundred fifty-two thousand, four hundred forty-eight".