80286992 has 20 divisors (see below), whose sum is σ = 155769420. Its totient is φ = 40088448.

The previous prime is 80286991. The next prime is 80287007. The reversal of 80286992 is 29968208.

It can be written as a sum of positive squares in 2 ways, for example, as 23193856 + 57093136 = 4816^2 + 7556^2 .

It is not an unprimeable number, because it can be changed into a prime (80286991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10238 + ... + 16290.

It is an arithmetic number, because the mean of its divisors is an integer number (7788471).

Almost surely, 2^80286992 is an apocalyptic number.

It is an amenable number.

80286992 is a deficient number, since it is larger than the sum of its proper divisors (75482428).

80286992 is a wasteful number, since it uses less digits than its factorization.

80286992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6890 (or 6884 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 80286992 is about 8960.3008878051. The cubic root of 80286992 is about 431.4015776904.

Adding to 80286992 its product of nonzero digits (124416), we get a palindrome (80411408).

The spelling of 80286992 in words is "eighty million, two hundred eighty-six thousand, nine hundred ninety-two".