80822061 has 6 divisors (see below), whose sum is σ = 116742990. Its totient is φ = 53881368.

The previous prime is 80822051. The next prime is 80822087. The reversal of 80822061 is 16022808.

It can be written as a sum of positive squares in only one way, i.e., 78322500 + 2499561 = 8850^2 + 1581^2 .

It is not a de Polignac number, because 80822061 - 2⁷ = 80821933 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80822041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4490106 + ... + 4490123.

It is an arithmetic number, because the mean of its divisors is an integer number (19457165).

Almost surely, 2^80822061 is an apocalyptic number.

It is an amenable number.

80822061 is a deficient number, since it is larger than the sum of its proper divisors (35920929).

80822061 is a wasteful number, since it uses less digits than its factorization.

80822061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8980235 (or 8980232 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 80822061 is about 8990.1090649669. The cubic root of 80822061 is about 432.3578086262.

Adding to 80822061 its reverse (16022808), we get a palindrome (96844869).

The spelling of 80822061 in words is "eighty million, eight hundred twenty-two thousand, sixty-one".