80084839 has 4 divisors (see below), whose sum is σ = 80464600. Its totient is φ = 79705080.

The previous prime is 80084833. The next prime is 80084843. The reversal of 80084839 is 93848008.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80084839 - 2³ = 80084831 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 (80084831) 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, 189564 + ... + 189985.

It is an arithmetic number, because the mean of its divisors is an integer number (20116150).

Almost surely, 2^80084839 is an apocalyptic number.

80084839 is a deficient number, since it is larger than the sum of its proper divisors (379761).

80084839 is a wasteful number, since it uses less digits than its factorization.

80084839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379760.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 80084839 is about 8949.0132975653. The cubic root of 80084839 is about 431.0392009320.

The spelling of 80084839 in words is "eighty million, eighty-four thousand, eight hundred thirty-nine".