8782722045 has 12 divisors (see below), whose sum is σ = 15223384956. Its totient is φ = 4684118400.

The previous prime is 8782722043. The next prime is 8782722059. The reversal of 8782722045 is 5402272878.

It can be written as a sum of positive squares in 2 ways, for example, as 2423297529 + 6359424516 = 49227^2 + 79746^2 .

It is not a de Polignac number, because 8782722045 - 2¹ = 8782722043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 195171601 = 8782722045 / (8 + 7 + 8 + 2 + 7 + 2 + 2 + 0 + 4 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8782722043) 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, 97585756 + ... + 97585845.

It is an arithmetic number, because the mean of its divisors is an integer number (1268615413).

Almost surely, 2^8782722045 is an apocalyptic number.

It is an amenable number.

8782722045 is a deficient number, since it is larger than the sum of its proper divisors (6440662911).

8782722045 is a wasteful number, since it uses less digits than its factorization.

8782722045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195171612 (or 195171609 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The square root of 8782722045 is about 93716.1781391025. The cubic root of 8782722045 is about 2063.2081570476.

The spelling of 8782722045 in words is "eight billion, seven hundred eighty-two million, seven hundred twenty-two thousand, forty-five".