78680588 has 12 divisors (see below), whose sum is σ = 157361232. Its totient is φ = 33720240.

The previous prime is 78680561. The next prime is 78680593. The reversal of 78680588 is 88508687.

78680588 is an admirable 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, 1404983 + ... + 1405038.

It is an arithmetic number, because the mean of its divisors is an integer number (13113436).

Almost surely, 2^78680588 is an apocalyptic number.

It is an amenable number.

78680588 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.

78680588 is a wasteful number, since it uses less digits than its factorization.

78680588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810032 (or 2810030 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 50.

The square root of 78680588 is about 8870.2078893338. The cubic root of 78680588 is about 428.5049721505.

The spelling of 78680588 in words is "seventy-eight million, six hundred eighty thousand, five hundred eighty-eight".