78860 has 12 divisors (see below), whose sum is σ = 165648. Its totient is φ = 31536.

The previous prime is 78857. The next prime is 78877. The reversal of 78860 is 6887.

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, 1952 + ... + 1991.

It is an arithmetic number, because the mean of its divisors is an integer number (13804).

2⁷⁸⁸⁶⁰ is an apocalyptic number.

It is an amenable number.

78860 is an abundant number, since it is smaller than the sum of its proper divisors (86788).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82824).

78860 is a wasteful number, since it uses less digits than its factorization.

78860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952 (or 3950 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 78860 is about 280.8202271917. The cubic root of 78860 is about 42.8830425460.

It can be divided in two parts, 788 and 60, that added together give a palindrome (848).

The spelling of 78860 in words is "seventy-eight thousand, eight hundred sixty".