80843542 has 8 divisors (see below), whose sum is σ = 130593456. Its totient is φ = 37312392.

The previous prime is 80843527. The next prime is 80843549. The reversal of 80843542 is 24534808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 80843498 and 80843507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80843549) 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, 1554658 + ... + 1554709.

It is an arithmetic number, because the mean of its divisors is an integer number (16324182).

Almost surely, 2^80843542 is an apocalyptic number.

80843542 is a deficient number, since it is larger than the sum of its proper divisors (49749914).

80843542 is a wasteful number, since it uses less digits than its factorization.

80843542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109382.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 80843542 is about 8991.3036874527. The cubic root of 80843542 is about 432.3961094535.

It can be divided in two parts, 8084 and 3542, that multiplied together give a triangular number (28633528 = T₇₅₆₇).

The spelling of 80843542 in words is "eighty million, eight hundred forty-three thousand, five hundred forty-two".