80833439 has 4 divisors (see below), whose sum is σ = 81148224. Its totient is φ = 80518656.

The previous prime is 80833409. The next prime is 80833447. The reversal of 80833439 is 93433808.

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 80833439 - 2¹⁶ = 80767903 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 (80833409) 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, 157007 + ... + 157520.

It is an arithmetic number, because the mean of its divisors is an integer number (20287056).

Almost surely, 2^80833439 is an apocalyptic number.

80833439 is a deficient number, since it is larger than the sum of its proper divisors (314785).

80833439 is a wasteful number, since it uses less digits than its factorization.

80833439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314784.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 80833439 is about 8990.7418492580. The cubic root of 80833439 is about 432.3780965536.

The spelling of 80833439 in words is "eighty million, eight hundred thirty-three thousand, four hundred thirty-nine".