78699796 has 12 divisors (see below), whose sum is σ = 157399648. Its totient is φ = 33728472.

The previous prime is 78699791. The next prime is 78699799. The reversal of 78699796 is 69799687.

78699796 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78699791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1405326 + ... + 1405381.

Almost surely, 2^78699796 is an apocalyptic number.

It is an amenable number.

78699796 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78699796 is a wasteful number, since it uses less digits than its factorization.

78699796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810718 (or 2810716 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 61.

The square root of 78699796 is about 8871.2905487308. The cubic root of 78699796 is about 428.5398390896.

The spelling of 78699796 in words is "seventy-eight million, six hundred ninety-nine thousand, seven hundred ninety-six".