80433993 has 8 divisors (see below), whose sum is σ = 107570656. Its totient is φ = 53460000.

The previous prime is 80433989. The next prime is 80434001. The reversal of 80433993 is 39933408.

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

It is not a de Polignac number, because 80433993 - 2² = 80433989 is a prime.

It is the 8969-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80433943) by changing a digit.

It is a nontrivial repunit in base 8968.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39508 + ... + 41493.

It is an arithmetic number, because the mean of its divisors is an integer number (13446332).

Almost surely, 2^80433993 is an apocalyptic number.

It is an amenable number.

80433993 is a deficient number, since it is larger than the sum of its proper divisors (27136663).

80433993 is a wasteful number, since it uses less digits than its factorization.

80433993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81335.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 80433993 is about 8968.5000418130. The cubic root of 80433993 is about 431.6647078981.

It can be divided in two parts, 80433 and 993, that multiplied together give a square (79869969 = 8937²).

The spelling of 80433993 in words is "eighty million, four hundred thirty-three thousand, nine hundred ninety-three".