816372827 has 4 divisors (see below), whose sum is σ = 864394776. Its totient is φ = 768350880.

The previous prime is 816372779. The next prime is 816372857. The reversal of 816372827 is 728273618.

It is a happy number.

816372827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 816372827 - 2⁶ = 816372763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (816372857) 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, 24010949 + ... + 24010982.

It is an arithmetic number, because the mean of its divisors is an integer number (216098694).

Almost surely, 2^816372827 is an apocalyptic number.

816372827 is a deficient number, since it is larger than the sum of its proper divisors (48021949).

816372827 is a wasteful number, since it uses less digits than its factorization.

816372827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48021948.

The product of its digits is 225792, while the sum is 44.

The square root of 816372827 is about 28572.2387467276. The cubic root of 816372827 is about 934.6080418369.

The spelling of 816372827 in words is "eight hundred sixteen million, three hundred seventy-two thousand, eight hundred twenty-seven".