78680608 has 24 divisors (see below), whose sum is σ = 161638848. Its totient is φ = 37629504.

The previous prime is 78680593. The next prime is 78680621. The reversal of 78680608 is 80608687.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52716 + ... + 54187.

It is an arithmetic number, because the mean of its divisors is an integer number (6734952).

Almost surely, 2^78680608 is an apocalyptic number.

It is an amenable number.

78680608 is an abundant number, since it is smaller than the sum of its proper divisors (82958240).

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

78680608 is a wasteful number, since it uses less digits than its factorization.

78680608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106936 (or 106928 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 78680608 is about 8870.2090167030. The cubic root of 78680608 is about 428.5050084580.

The spelling of 78680608 in words is "seventy-eight million, six hundred eighty thousand, six hundred eight".