8085457238 has 4 divisors (see below), whose sum is σ = 12128185860. Its totient is φ = 4042728618.

The previous prime is 8085457229. The next prime is 8085457279. The reversal of 8085457238 is 8327545808.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021364308 + ... + 2021364311.

It is an arithmetic number, because the mean of its divisors is an integer number (3032046465).

Almost surely, 2^8085457238 is an apocalyptic number.

8085457238 is a deficient number, since it is larger than the sum of its proper divisors (4042728622).

8085457238 is a wasteful number, since it uses less digits than its factorization.

8085457238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4042728621.

The product of its (nonzero) digits is 2150400, while the sum is 50.

The square root of 8085457238 is about 89919.1705811391. The cubic root of 8085457238 is about 2007.0962284922.

The spelling of 8085457238 in words is "eight billion, eighty-five million, four hundred fifty-seven thousand, two hundred thirty-eight".