8212770513 has 12 divisors (see below), whose sum is σ = 11919115728. Its totient is φ = 5449230360.

The previous prime is 8212770487. The next prime is 8212770521. The reversal of 8212770513 is 3150772128.

It is not a de Polignac number, because 8212770513 - 2⁹ = 8212770001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8212770523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2160495 + ... + 2164292.

It is an arithmetic number, because the mean of its divisors is an integer number (993259644).

Almost surely, 2^8212770513 is an apocalyptic number.

It is an amenable number.

8212770513 is a deficient number, since it is larger than the sum of its proper divisors (3706345215).

8212770513 is a wasteful number, since it uses less digits than its factorization.

8212770513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325004 (or 4325001 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 8212770513 is about 90624.3373106805. The cubic root of 8212770513 is about 2017.5759663311.

The spelling of 8212770513 in words is "eight billion, two hundred twelve million, seven hundred seventy thousand, five hundred thirteen".