8678226649 has 9 divisors (see below), whose sum is σ = 9160883253. Its totient is φ = 8219801052.

The previous prime is 8678226637. The next prime is 8678226659. The reversal of 8678226649 is 9466228768.

The square root of 8678226649 is 93157.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 8678226649 - 2⁵ = 8678226617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8678226593 and 8678226602.

It is not an unprimeable number, because it can be changed into a prime (8678226619) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1767532 + ... + 1772434.

It is an arithmetic number, because the mean of its divisors is an integer number (1017875917).

Almost surely, 2^8678226649 is an apocalyptic number.

8678226649 is the 93157-th square number.

8678226649 is the 46579-th centered octagonal number.

It is an amenable number.

8678226649 is a deficient number, since it is larger than the sum of its proper divisors (482656604).

8678226649 is an frugal number, since it uses more digits than its factorization.

8678226649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9844 (or 4922 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 58.

The cubic root of 8678226649 is about 2054.9929176906.

The spelling of 8678226649 in words is "eight billion, six hundred seventy-eight million, two hundred twenty-six thousand, six hundred forty-nine".