78690096 has 80 divisors (see below), whose sum is σ = 237782400. Its totient is φ = 24846912.

The previous prime is 78690071. The next prime is 78690097. The reversal of 78690096 is 69009687.

It is not an unprimeable number, because it can be changed into a prime (78690097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3415 + ... + 13001.

It is an arithmetic number, because the mean of its divisors is an integer number (2972280).

Almost surely, 2^78690096 is an apocalyptic number.

78690096 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78690096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118891200).

78690096 is an abundant number, since it is smaller than the sum of its proper divisors (159092304).

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

78690096 is a wasteful number, since it uses less digits than its factorization.

78690096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9623 (or 9611 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 78690096 is about 8870.7438245054. The cubic root of 78690096 is about 428.5222320671.

The spelling of 78690096 in words is "seventy-eight million, six hundred ninety thousand, ninety-six".