78819248 has 40 divisors (see below), whose sum is σ = 156180480. Its totient is φ = 38525760.

The previous prime is 78819241. The next prime is 78819311. The reversal of 78819248 is 84291887.

It is not an unprimeable number, because it can be changed into a prime (78819241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160283 + ... + 160773.

It is an arithmetic number, because the mean of its divisors is an integer number (3904512).

Almost surely, 2^78819248 is an apocalyptic number.

It is an amenable number.

78819248 is a deficient number, since it is larger than the sum of its proper divisors (77361232).

78819248 is a wasteful number, since it uses less digits than its factorization.

78819248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 699 counting only the distinct ones).

The product of its digits is 258048, while the sum is 47.

The square root of 78819248 is about 8878.0205000890. The cubic root of 78819248 is about 428.7565447071.

The spelling of 78819248 in words is "seventy-eight million, eight hundred nineteen thousand, two hundred forty-eight".