80407238 has 4 divisors (see below), whose sum is σ = 120610860. Its totient is φ = 40203618.

The previous prime is 80407231. The next prime is 80407267. The reversal of 80407238 is 83270408.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80407231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20101808 + ... + 20101811.

It is an arithmetic number, because the mean of its divisors is an integer number (30152715).

Almost surely, 2^80407238 is an apocalyptic number.

80407238 is a deficient number, since it is larger than the sum of its proper divisors (40203622).

80407238 is a wasteful number, since it uses less digits than its factorization.

80407238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40203621.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 80407238 is about 8967.0083082375. The cubic root of 80407238 is about 431.6168406154.

The spelling of 80407238 in words is "eighty million, four hundred seven thousand, two hundred thirty-eight".