78840096 has 48 divisors (see below), whose sum is σ = 214099200. Its totient is φ = 25372928.

The previous prime is 78840077. The next prime is 78840109. The reversal of 78840096 is 69004887.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11376 + ... + 16943.

It is an arithmetic number, because the mean of its divisors is an integer number (4460400).

Almost surely, 2^78840096 is an apocalyptic number.

It is an amenable number.

78840096 is an abundant number, since it is smaller than the sum of its proper divisors (135259104).

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

78840096 is a wasteful number, since it uses less digits than its factorization.

78840096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28361 (or 28353 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 78840096 is about 8879.1945580666. The cubic root of 78840096 is about 428.7943439701.

The spelling of 78840096 in words is "seventy-eight million, eight hundred forty thousand, ninety-six".