78848784 has 240 divisors, whose sum is σ = 278553600. Its totient is φ = 20300544.

The previous prime is 78848773. The next prime is 78848797. The reversal of 78848784 is 48784887.

It is a happy number.

78848784 is a `hidden beast` number, since 7 + 88 + 487 + 84 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 78848784.

It is a congruent number.

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, 440407 + ... + 440585.

It is an arithmetic number, because the mean of its divisors is an integer number (1160640).

Almost surely, 2^78848784 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 78848784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139276800).

78848784 is an abundant number, since it is smaller than the sum of its proper divisors (199704816).

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

78848784 is a wasteful number, since it uses less digits than its factorization.

78848784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 233 counting only the distinct ones).

The product of its digits is 3211264, while the sum is 54.

The square root of 78848784 is about 8879.6837781534. The cubic root of 78848784 is about 428.8100941134.

The spelling of 78848784 in words is "seventy-eight million, eight hundred forty-eight thousand, seven hundred eighty-four".