7568818825 has 12 divisors (see below), whose sum is σ = 9389842588. Its totient is φ = 6052147200.

The previous prime is 7568818823. The next prime is 7568818841. The reversal of 7568818825 is 5288188657.

It can be written as a sum of positive squares in 6 ways, for example, as 1426648441 + 6142170384 = 37771^2 + 78372^2 .

It is not a de Polignac number, because 7568818825 - 2¹ = 7568818823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7568818825.

It is not an unprimeable number, because it can be changed into a prime (7568818823) 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, 18816 + ... + 124465.

Almost surely, 2^7568818825 is an apocalyptic number.

It is an amenable number.

7568818825 is a deficient number, since it is larger than the sum of its proper divisors (1821023763).

7568818825 is a wasteful number, since it uses less digits than its factorization.

7568818825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145404 (or 145399 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 58.

The square root of 7568818825 is about 86998.9587581369. The cubic root of 7568818825 is about 1963.4026366911.

The spelling of 7568818825 in words is "seven billion, five hundred sixty-eight million, eight hundred eighteen thousand, eight hundred twenty-five".