80438071 has 4 divisors (see below), whose sum is σ = 91929232. Its totient is φ = 68946912.

The previous prime is 80438051. The next prime is 80438089. The reversal of 80438071 is 17083408.

It is a happy number.

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 80438071 - 2⁹ = 80437559 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 (80438011) 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, 5745570 + ... + 5745583.

It is an arithmetic number, because the mean of its divisors is an integer number (22982308).

Almost surely, 2^80438071 is an apocalyptic number.

80438071 is a deficient number, since it is larger than the sum of its proper divisors (11491161).

80438071 is a wasteful number, since it uses less digits than its factorization.

80438071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11491160.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 80438071 is about 8968.7273902154. The cubic root of 80438071 is about 431.6720029023.

The spelling of 80438071 in words is "eighty million, four hundred thirty-eight thousand, seventy-one".