8212845515 has 8 divisors (see below), whose sum is σ = 11263331040. Its totient is φ = 5631665472.

The previous prime is 8212845491. The next prime is 8212845517. The reversal of 8212845515 is 5155482128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8212845515 - 2¹⁸ = 8212583371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8212845517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117326330 + ... + 117326399.

It is an arithmetic number, because the mean of its divisors is an integer number (1407916380).

Almost surely, 2^8212845515 is an apocalyptic number.

8212845515 is a deficient number, since it is larger than the sum of its proper divisors (3050485525).

8212845515 is a wasteful number, since it uses less digits than its factorization.

8212845515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234652741.

The product of its digits is 128000, while the sum is 41.

The square root of 8212845515 is about 90624.7511168996. The cubic root of 8212845515 is about 2017.5821080576.

The spelling of 8212845515 in words is "eight billion, two hundred twelve million, eight hundred forty-five thousand, five hundred fifteen".