76866 has 16 divisors (see below), whose sum is σ = 160704. Its totient is φ = 24464.

The previous prime is 76847. The next prime is 76871. The reversal of 76866 is 66867.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141 + ... + 416.

It is an arithmetic number, because the mean of its divisors is an integer number (10044).

2⁷⁶⁸⁶⁶ is an apocalyptic number.

76866 is an abundant number, since it is smaller than the sum of its proper divisors (83838).

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 (80352).

76866 is a wasteful number, since it uses less digits than its factorization.

76866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585.

The product of its digits is 12096, while the sum is 33.

The square root of 76866 is about 277.2471821318. The cubic root of 76866 is about 42.5185155771.

Subtracting from 76866 its reverse (66867), we obtain a palindrome (9999).

The spelling of 76866 in words is "seventy-six thousand, eight hundred sixty-six".