8240276247 has 32 divisors (see below), whose sum is σ = 12834624000. Its totient is φ = 4700735424.

The previous prime is 8240276243. The next prime is 8240276273. The reversal of 8240276247 is 7426720428.

It is not a de Polignac number, because 8240276247 - 2² = 8240276243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8240276199 and 8240276208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8240276243) 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 31 ways as a sum of consecutive naturals, for example, 628404 + ... + 641382.

It is an arithmetic number, because the mean of its divisors is an integer number (401082000).

Almost surely, 2^8240276247 is an apocalyptic number.

8240276247 is a deficient number, since it is larger than the sum of its proper divisors (4594347753).

8240276247 is a wasteful number, since it uses less digits than its factorization.

8240276247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13620 (or 13606 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 42.

The square root of 8240276247 is about 90775.9673426838. The cubic root of 8240276247 is about 2019.8258392309.

The spelling of 8240276247 in words is "eight billion, two hundred forty million, two hundred seventy-six thousand, two hundred forty-seven".