80829543 has 12 divisors (see below), whose sum is σ = 114486440. Its totient is φ = 50716032.

The previous prime is 80829523. The next prime is 80829547. The reversal of 80829543 is 34592808.

It is a happy number.

It is not a de Polignac number, because 80829543 - 2²¹ = 78732391 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 (80829547) 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, 45748 + ... + 47481.

Almost surely, 2^80829543 is an apocalyptic number.

80829543 is a deficient number, since it is larger than the sum of its proper divisors (33656897).

80829543 is a wasteful number, since it uses less digits than its factorization.

80829543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93266 (or 93249 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 80829543 is about 8990.5251793207. The cubic root of 80829543 is about 432.3711498735.

The spelling of 80829543 in words is "eighty million, eight hundred twenty-nine thousand, five hundred forty-three".