7822745609 has 16 divisors (see below), whose sum is σ = 9232694016. Its totient is φ = 6487905600.

The previous prime is 7822745603. The next prime is 7822745611. The reversal of 7822745609 is 9065472287.

It is not a de Polignac number, because 7822745609 - 2³² = 3527778313 is a prime.

It is a super-2 number, since 2×7822745609² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7822745603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36557 + ... + 130314.

It is an arithmetic number, because the mean of its divisors is an integer number (577043376).

Almost surely, 2^7822745609 is an apocalyptic number.

It is an amenable number.

7822745609 is a deficient number, since it is larger than the sum of its proper divisors (1409948407).

7822745609 is a wasteful number, since it uses less digits than its factorization.

7822745609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167096.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The square root of 7822745609 is about 88446.2865755256. The cubic root of 7822745609 is about 1985.1183435462.

The spelling of 7822745609 in words is "seven billion, eight hundred twenty-two million, seven hundred forty-five thousand, six hundred nine".