8212487296 has 64 divisors (see below), whose sum is σ = 18655834680. Its totient is φ = 3567403008.

The previous prime is 8212487291. The next prime is 8212487303. The reversal of 8212487296 is 6927842128.

It can be written as a sum of positive squares in 4 ways, for example, as 4825247296 + 3387240000 = 69464^2 + 58200^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×8212487296² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8212487291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116871 + ... + 173446.

Almost surely, 2^8212487296 is an apocalyptic number.

It is an amenable number.

8212487296 is an abundant number, since it is smaller than the sum of its proper divisors (10443347384).

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

8212487296 is a wasteful number, since it uses less digits than its factorization.

8212487296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290361 (or 290349 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The square root of 8212487296 is about 90622.7747092308. The cubic root of 8212487296 is about 2017.5527740608.

The spelling of 8212487296 in words is "eight billion, two hundred twelve million, four hundred eighty-seven thousand, two hundred ninety-six".