7785223049 has 8 divisors (see below), whose sum is σ = 8444231208. Its totient is φ = 7148554240.

The previous prime is 7785223009. The next prime is 7785223051. The reversal of 7785223049 is 9403225877.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 159567424 + 7625655625 = 12632^2 + 87325^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7785223049 - 2⁸ = 7785222793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7785222994 and 7785223012.

It is not an unprimeable number, because it can be changed into a prime (7785223009) 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, 5584112 + ... + 5585505.

It is an arithmetic number, because the mean of its divisors is an integer number (1055528901).

Almost surely, 2^7785223049 is an apocalyptic number.

It is an amenable number.

7785223049 is a deficient number, since it is larger than the sum of its proper divisors (659008159).

7785223049 is a wasteful number, since it uses less digits than its factorization.

7785223049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11169675.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 7785223049 is about 88233.9109923163. The cubic root of 7785223049 is about 1981.9393175567.

The spelling of 7785223049 in words is "seven billion, seven hundred eighty-five million, two hundred twenty-three thousand, forty-nine".