78319848 has 32 divisors (see below), whose sum is σ = 197539200. Its totient is φ = 25874688.

The previous prime is 78319847. The next prime is 78319883. The reversal of 78319848 is 84891387.

It is a super-2 number, since 2×78319848² = 12267997181486208, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 78319797 and 78319806.

It is not an unprimeable number, because it can be changed into a prime (78319847) 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 7 ways as a sum of consecutive naturals, for example, 11728 + ... + 17151.

It is an arithmetic number, because the mean of its divisors is an integer number (6173100).

Almost surely, 2^78319848 is an apocalyptic number.

It is an amenable number.

78319848 is an abundant number, since it is smaller than the sum of its proper divisors (119219352).

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

78319848 is a wasteful number, since it uses less digits than its factorization.

78319848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29001 (or 28997 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

The square root of 78319848 is about 8849.8501682232. The cubic root of 78319848 is about 427.8490893702.

The spelling of 78319848 in words is "seventy-eight million, three hundred nineteen thousand, eight hundred forty-eight".