78816496 has 40 divisors (see below), whose sum is σ = 168011568. Its totient is φ = 35816000.

The previous prime is 78816481. The next prime is 78816523. The reversal of 78816496 is 69461887.

It is a congruent number.

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, 19446 + ... + 23146.

Almost surely, 2^78816496 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 78816496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84005784).

78816496 is an abundant number, since it is smaller than the sum of its proper divisors (89195072).

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

78816496 is a wasteful number, since it uses less digits than its factorization.

78816496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742 (or 3714 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 78816496 is about 8877.8655092314. The cubic root of 78816496 is about 428.7515545904.

The spelling of 78816496 in words is "seventy-eight million, eight hundred sixteen thousand, four hundred ninety-six".