80776 has 16 divisors (see below), whose sum is σ = 158400. Its totient is φ = 38544.

The previous prime is 80761. The next prime is 80777. The reversal of 80776 is 67708.

It is not an unprimeable number, because it can be changed into a prime (80777) by changing a digit.

80776 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36 + ... + 403.

It is an arithmetic number, because the mean of its divisors is an integer number (9900).

2⁸⁰⁷⁷⁶ is an apocalyptic number.

It is an amenable number.

80776 is a deficient number, since it is larger than the sum of its proper divisors (77624).

80776 is a wasteful number, since it uses less digits than its factorization.

80776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 80776 is about 284.2111890830. The cubic root of 80776 is about 43.2275658542.

The spelling of 80776 in words is "eighty thousand, seven hundred seventy-six".