78806760 has 64 divisors (see below), whose sum is σ = 240900480. Its totient is φ = 20616960.

The previous prime is 78806753. The next prime is 78806771. The reversal of 78806760 is 6760887.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165 + ... + 12555.

It is an arithmetic number, because the mean of its divisors is an integer number (3764070).

Almost surely, 2^78806760 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 78806760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120450240).

78806760 is an abundant number, since it is smaller than the sum of its proper divisors (162093720).

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

78806760 is a wasteful number, since it uses less digits than its factorization.

78806760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12458 (or 12454 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 78806760 is about 8877.3171622963. The cubic root of 78806760 is about 428.7338996694.

The spelling of 78806760 in words is "seventy-eight million, eight hundred six thousand, seven hundred sixty".