7765223238 has 48 divisors (see below), whose sum is σ = 17178894720. Its totient is φ = 2534118912.

The previous prime is 7765223237. The next prime is 7765223239. The reversal of 7765223238 is 8323225677.

It is an interprime number because it is at equal distance from previous prime (7765223237) and next prime (7765223239).

It is a junction number, because it is equal to n+sod(n) for n = 7765223193 and 7765223202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7765223237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 448470 + ... + 465462.

It is an arithmetic number, because the mean of its divisors is an integer number (357893640).

Almost surely, 2^7765223238 is an apocalyptic number.

7765223238 is an abundant number, since it is smaller than the sum of its proper divisors (9413671482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7765223238 is a wasteful number, since it uses less digits than its factorization.

7765223238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17533 (or 17530 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 7765223238 is about 88120.5040725483. The cubic root of 7765223238 is about 1980.2406977052.

The spelling of 7765223238 in words is "seven billion, seven hundred sixty-five million, two hundred twenty-three thousand, two hundred thirty-eight".