80823986 has 32 divisors (see below), whose sum is σ = 134006400. Its totient is φ = 36408960.

The previous prime is 80823983. The next prime is 80823991. The reversal of 80823986 is 68932808.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80823983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77726 + ... + 78758.

It is an arithmetic number, because the mean of its divisors is an integer number (4187700).

Almost surely, 2^80823986 is an apocalyptic number.

80823986 is a deficient number, since it is larger than the sum of its proper divisors (53182414).

80823986 is a wasteful number, since it uses less digits than its factorization.

80823986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 80823986 is about 8990.2161264343. The cubic root of 80823986 is about 432.3612411963.

The spelling of 80823986 in words is "eighty million, eight hundred twenty-three thousand, nine hundred eighty-six".