817054216 has 16 divisors (see below), whose sum is σ = 1671247440. Its totient is φ = 371388240.

The previous prime is 817054211. The next prime is 817054253. The reversal of 817054216 is 612450718.

It is not an unprimeable number, because it can be changed into a prime (817054211) 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, 4642266 + ... + 4642441.

It is an arithmetic number, because the mean of its divisors is an integer number (104452965).

Almost surely, 2^817054216 is an apocalyptic number.

It is an amenable number.

817054216 is an abundant number, since it is smaller than the sum of its proper divisors (854193224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

817054216 is a wasteful number, since it uses less digits than its factorization.

817054216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9284724 (or 9284720 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 817054216 is about 28584.1602290499. The cubic root of 817054216 is about 934.8679943660.

The spelling of 817054216 in words is "eight hundred seventeen million, fifty-four thousand, two hundred sixteen".