8216274825 has 48 divisors (see below), whose sum is σ = 16465761600. Its totient is φ = 3983644800.

The previous prime is 8216274817. The next prime is 8216274839. The reversal of 8216274825 is 5284726128.

8216274825 is a `hidden beast` number, since 8 + 2 + 162 + 7 + 482 + 5 = 666.

It is not a de Polignac number, because 8216274825 - 2³ = 8216274817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 545860 + ... + 560709.

It is an arithmetic number, because the mean of its divisors is an integer number (343036700).

Almost surely, 2^8216274825 is an apocalyptic number.

It is an amenable number.

8216274825 is an abundant number, since it is smaller than the sum of its proper divisors (8249486775).

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

8216274825 is a wasteful number, since it uses less digits than its factorization.

8216274825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106599 (or 1106588 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 8216274825 is about 90643.6695252349. The cubic root of 8216274825 is about 2017.8628857613.

The spelling of 8216274825 in words is "eight billion, two hundred sixteen million, two hundred seventy-four thousand, eight hundred twenty-five".