68992595528 has 32 divisors (see below), whose sum is σ = 134076300600. Its totient is φ = 33256023552.

The previous prime is 68992595527. The next prime is 68992595543. The reversal of 68992595528 is 82559529986.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 68718428164 + 274167364 = 262142^2 + 16558^2 .

It is not an unprimeable number, because it can be changed into a prime (68992595527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1036925 + ... + 1101452.

Almost surely, 2^68992595528 is an apocalyptic number.

It is an amenable number.

68992595528 is a deficient number, since it is larger than the sum of its proper divisors (65083705072).

68992595528 is a wasteful number, since it uses less digits than its factorization.

68992595528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138529 (or 2138525 counting only the distinct ones).

The product of its digits is 139968000, while the sum is 68.

The spelling of 68992595528 in words is "sixty-eight billion, nine hundred ninety-two million, five hundred ninety-five thousand, five hundred twenty-eight".