80827533 has 12 divisors (see below), whose sum is σ = 117823420. Its totient is φ = 53390016.

The previous prime is 80827529. The next prime is 80827561. The reversal of 80827533 is 33572808.

It can be written as a sum of positive squares in 2 ways, for example, as 64931364 + 15896169 = 8058^2 + 3987^2 .

It is not a de Polignac number, because 80827533 - 2² = 80827529 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80825533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40216 + ... + 42177.

Almost surely, 2^80827533 is an apocalyptic number.

It is an amenable number.

80827533 is a deficient number, since it is larger than the sum of its proper divisors (36995887).

80827533 is a wasteful number, since it uses less digits than its factorization.

80827533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82508 (or 82505 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 80827533 is about 8990.4133942773. The cubic root of 80827533 is about 432.3675658984.

The spelling of 80827533 in words is "eighty million, eight hundred twenty-seven thousand, five hundred thirty-three".